Home / 247,440.62-371,086.88-129,047.38

Finding the Fourth Proportional to 247,440.62, 371,086.88 and 129,047.38

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Solution

The fourth proportional to 247,440.62, 371,086.88 and 129,047.38 is: 193,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,440.62 : 371,086.88 = 129,047.38 : x
  2. Step 2: Convert to fraction form
    247,440.62/371,086.88 = 129,047.38/x
  3. Step 3: Cross multiply
    247,440.62x = 371,086.88 × 129,047.38
  4. Step 4: Simplify right side
    247,440.62x = 47,887,789,011.28
  5. Step 5: Solve for x
    x = 47,887,789,011.28/247,440.62
  6. Step 6: Final answer
    x = 193,532.45

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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.