Home / 403,864.53-557,359.38-231,838.22

Finding the Fourth Proportional to 403,864.53, 557,359.38 and 231,838.22

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Solution

The fourth proportional to 403,864.53, 557,359.38 and 231,838.22 is: 319,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,864.53 : 557,359.38 = 231,838.22 : x
  2. Step 2: Convert to fraction form
    403,864.53/557,359.38 = 231,838.22/x
  3. Step 3: Cross multiply
    403,864.53x = 557,359.38 × 231,838.22
  4. Step 4: Simplify right side
    403,864.53x = 129,217,203,772.71
  5. Step 5: Solve for x
    x = 129,217,203,772.71/403,864.53
  6. Step 6: Final answer
    x = 319,951.85

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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.