Home / 437,542.38-656,409.87-133,938.95

Finding the Fourth Proportional to 437,542.38, 656,409.87 and 133,938.95

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Solution

The fourth proportional to 437,542.38, 656,409.87 and 133,938.95 is: 200,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,542.38 : 656,409.87 = 133,938.95 : x
  2. Step 2: Convert to fraction form
    437,542.38/656,409.87 = 133,938.95/x
  3. Step 3: Cross multiply
    437,542.38x = 656,409.87 × 133,938.95
  4. Step 4: Simplify right side
    437,542.38x = 87,918,845,475.39
  5. Step 5: Solve for x
    x = 87,918,845,475.39/437,542.38
  6. Step 6: Final answer
    x = 200,937.90

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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.