Home / 351,397.26-527,312.77-138,127.86

Finding the Fourth Proportional to 351,397.26, 527,312.77 and 138,127.86

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Solution

The fourth proportional to 351,397.26, 527,312.77 and 138,127.86 is: 207,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,397.26 : 527,312.77 = 138,127.86 : x
  2. Step 2: Convert to fraction form
    351,397.26/527,312.77 = 138,127.86/x
  3. Step 3: Cross multiply
    351,397.26x = 527,312.77 × 138,127.86
  4. Step 4: Simplify right side
    351,397.26x = 72,836,584,470.77
  5. Step 5: Solve for x
    x = 72,836,584,470.77/351,397.26
  6. Step 6: Final answer
    x = 207,277.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.