Home / 403,747.85-557,184.65-231,697.29

Finding the Fourth Proportional to 403,747.85, 557,184.65 and 231,697.29

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Solution

The fourth proportional to 403,747.85, 557,184.65 and 231,697.29 is: 319,749.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,747.85 : 557,184.65 = 231,697.29 : x
  2. Step 2: Convert to fraction form
    403,747.85/557,184.65 = 231,697.29/x
  3. Step 3: Cross multiply
    403,747.85x = 557,184.65 × 231,697.29
  4. Step 4: Simplify right side
    403,747.85x = 129,098,170,648.68
  5. Step 5: Solve for x
    x = 129,098,170,648.68/403,747.85
  6. Step 6: Final answer
    x = 319,749.50

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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.