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Finding the Fourth Proportional to 185,497.92, 278,301.36 and 63,949.20

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Solution

The fourth proportional to 185,497.92, 278,301.36 and 63,949.20 is: 95,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,497.92 : 278,301.36 = 63,949.20 : x
  2. Step 2: Convert to fraction form
    185,497.92/278,301.36 = 63,949.20/x
  3. Step 3: Cross multiply
    185,497.92x = 278,301.36 × 63,949.20
  4. Step 4: Simplify right side
    185,497.92x = 17,797,149,330.91
  5. Step 5: Solve for x
    x = 17,797,149,330.91/185,497.92
  6. Step 6: Final answer
    x = 95,942.58

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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.