Home / 415,010.08-572,729.28-231,265.22

Finding the Fourth Proportional to 415,010.08, 572,729.28 and 231,265.22

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Solution

The fourth proportional to 415,010.08, 572,729.28 and 231,265.22 is: 319,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,010.08 : 572,729.28 = 231,265.22 : x
  2. Step 2: Convert to fraction form
    415,010.08/572,729.28 = 231,265.22/x
  3. Step 3: Cross multiply
    415,010.08x = 572,729.28 × 231,265.22
  4. Step 4: Simplify right side
    415,010.08x = 132,452,362,939.64
  5. Step 5: Solve for x
    x = 132,452,362,939.64/415,010.08
  6. Step 6: Final answer
    x = 319,154.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.