Home / 239,815.92-330,944.20-132,386

Finding the Fourth Proportional to 239,815.92, 330,944.20 and 132,386

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Solution

The fourth proportional to 239,815.92, 330,944.20 and 132,386 is: 182,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,815.92 : 330,944.20 = 132,386 : x
  2. Step 2: Convert to fraction form
    239,815.92/330,944.20 = 132,386/x
  3. Step 3: Cross multiply
    239,815.92x = 330,944.20 × 132,386
  4. Step 4: Simplify right side
    239,815.92x = 43,812,378,861.20
  5. Step 5: Solve for x
    x = 43,812,378,861.20/239,815.92
  6. Step 6: Final answer
    x = 182,691.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.