Home / 403,972.92-557,459.01-231,851.16

Finding the Fourth Proportional to 403,972.92, 557,459.01 and 231,851.16

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Solution

The fourth proportional to 403,972.92, 557,459.01 and 231,851.16 is: 319,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,972.92 : 557,459.01 = 231,851.16 : x
  2. Step 2: Convert to fraction form
    403,972.92/557,459.01 = 231,851.16/x
  3. Step 3: Cross multiply
    403,972.92x = 557,459.01 × 231,851.16
  4. Step 4: Simplify right side
    403,972.92x = 129,247,518,120.95
  5. Step 5: Solve for x
    x = 129,247,518,120.95/403,972.92
  6. Step 6: Final answer
    x = 319,941.04

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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.