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Finding the Fourth Proportional to 437,341.80, 656,010.03 and 113,129.88

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Solution

The fourth proportional to 437,341.80, 656,010.03 and 113,129.88 is: 169,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,341.80 : 656,010.03 = 113,129.88 : x
  2. Step 2: Convert to fraction form
    437,341.80/656,010.03 = 113,129.88/x
  3. Step 3: Cross multiply
    437,341.80x = 656,010.03 × 113,129.88
  4. Step 4: Simplify right side
    437,341.80x = 74,214,335,972.70
  5. Step 5: Solve for x
    x = 74,214,335,972.70/437,341.80
  6. Step 6: Final answer
    x = 169,694.13

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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.