Home / 487,497.94-731,255.20-132,503.28

Finding the Fourth Proportional to 487,497.94, 731,255.20 and 132,503.28

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Solution

The fourth proportional to 487,497.94, 731,255.20 and 132,503.28 is: 198,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,497.94 : 731,255.20 = 132,503.28 : x
  2. Step 2: Convert to fraction form
    487,497.94/731,255.20 = 132,503.28/x
  3. Step 3: Cross multiply
    487,497.94x = 731,255.20 × 132,503.28
  4. Step 4: Simplify right side
    487,497.94x = 96,893,712,517.06
  5. Step 5: Solve for x
    x = 96,893,712,517.06/487,497.94
  6. Step 6: Final answer
    x = 198,757.17

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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.