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Finding the Fourth Proportional to 239,886.92, 359,049.17 and 176,682.15

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Solution

The fourth proportional to 239,886.92, 359,049.17 and 176,682.15 is: 264,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,886.92 : 359,049.17 = 176,682.15 : x
  2. Step 2: Convert to fraction form
    239,886.92/359,049.17 = 176,682.15/x
  3. Step 3: Cross multiply
    239,886.92x = 359,049.17 × 176,682.15
  4. Step 4: Simplify right side
    239,886.92x = 63,437,579,753.02
  5. Step 5: Solve for x
    x = 63,437,579,753.02/239,886.92
  6. Step 6: Final answer
    x = 264,447.85

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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.