in direct proportion with

USAGE SUMMARY

The phrase "in direct proportion with" is correct and usable in written English.
It is typically used to describe a relationship where one quantity increases or decreases in direct relation to another quantity. Example: "The amount of fuel consumed is in direct proportion with the distance traveled by the vehicle."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

28 human-written examples

Seduction is in direct proportion with the degree in which the political hybridizes with the popular and infects media.

Cornell University

(Not to mention the rising number of people who work from home, especially as telecommuting grows in direct proportion with the increase in gas prices).

The New York Times

Total degradation times ranged from approximately 20 days up to 120 days and increased in direct proportion with percent macromer.

Biomaterials

If the charge moves, however, it is subjected to a force, the size of which increases in direct proportion with the velocity of the charge.

Britannica

"Satisfaction is in direct proportion with the amount of time they spend looking into the school," said Diane Harris, the director of communications for undergraduate admissions at Rutgers University.

The New York Times

Debond growth was found to be strongly dependent on initial debond length but weakly dependent on flange width; i.e., debonding resistance did not increase in direct proportion with the bonded overlap dimension.

Composite Structures

Human-verified similar examples from authoritative sources

Similar Expressions

32 human-written examples

The labour requirements for those tasks increase in direct proportions with yield.

Food and Agriculture Organization of the United Nations

It can be known from Fig. 7 that the depth of SSD layers in direct proportion increased with the cutting depth, when the cutting depth is less than 6 nm.

Nanoscale Research Letters

The comedy in his remarks is in direct proportion to the zealotry with which politicians' blandness is policed.

The Guardian - Opinion

But our value as an ally to our friends in Washington is in direct proportion to our influence with our partners in Europe.

The Guardian

But note: the quality of your experience will be in direct proportion to your facility with Spanish; there are no headphones or supertitles here.

The New York Times

Expert writing Tips

Best practice

When using "in direct proportion with", ensure that the relationship you're describing is genuinely linear and that a change in one variable directly and predictably affects the other. Avoid using it for relationships that are merely correlated or have other influencing factors.

Common error

A common mistake is using "in direct proportion with" when the relationship is not truly linear. For example, saying "Happiness is in direct proportion with wealth" is often inaccurate, as happiness can be influenced by many factors beyond just wealth. Instead, reserve this phrase for scenarios where the connection is mathematically or scientifically demonstrable.

Linguistic Context

The phrase "in direct proportion with" functions as a prepositional phrase that modifies a verb or noun, indicating a relationship of direct proportionality between two entities. As Ludwig AI confirms, this construction is grammatically correct and widely used across various contexts. For example, the statement 'satisfaction is in direct proportion with the amount of time...' illustrates its role in establishing a proportional relationship.

Expression frequency: Common

Frequent in

Science

48%

News & Media

38%

Academia

7%

Less common in

Encyclopedias

3%

Wiki

1%

Formal & Business

1%

Ludwig's WRAP-UP

In summary, the phrase "in direct proportion with" is a grammatically sound construction used to express a linear relationship between two variables. According to Ludwig AI, this phrase is correct and commonly used. While it's generally acceptable in various contexts, it is most frequently found in scientific, academic and news-related content. For a more concise alternative, consider using "directly proportional to". When writing, make sure the relationship you are describing is a truly linear one, avoid it when describing casual correlations.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

directly proportional to

This alternative is more concise, using an adjective to directly link the two elements without the prepositional phrase.

in direct relation to

This alternative replaces "proportion" with "relation", maintaining a formal tone but shifting the focus slightly to the relationship itself.

directly correlated with

This alternative emphasizes a statistical connection, implying a measured relationship between the two elements.

increases linearly with

This alternative specifies a linear increase, implying a constant rate of change between the two elements.

scales directly with

This alternative suggests that one element grows in magnitude alongside the other, often used in technical contexts.

is commensurate with

This alternative implies a corresponding or proportionate measure, often used in more formal or literary contexts.

varies directly with

This alternative uses "varies" to indicate that the relationship can involve both increases and decreases, maintaining the directness of the change.

is tied directly to

This alternative emphasizes a strong, causal link between the two elements, suggesting a more deterministic relationship.

corresponds directly to

This alternative emphasizes a precise match or alignment between the two elements.

is directly dependent on

This alternative stresses that one element is reliant on the other for its state or value.

FAQs

What does "in direct proportion with" mean?

The phrase "in direct proportion with" means that two quantities increase or decrease at the same rate, maintaining a constant ratio. For example, if one doubles, the other doubles as well.

How can I use "in direct proportion with" in a sentence?

You can use "in direct proportion with" to describe a relationship between two variables: "The effort invested is "directly proportional to" the results achieved".

What are some alternatives to "in direct proportion with"?

Alternatives include "directly proportional to", "in direct relation to", or "directly correlated with depending on the context".

Is there a difference between "in direct proportion with" and "directly proportional to"?

While both phrases convey the same meaning, "directly proportional to" is more concise and commonly used. "In direct proportion with" is grammatically sound but can sound more verbose. The more concise alternative "directly proportional to" is preferred in most contexts.