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Finding the Fourth Proportional to 376,252.92, 563,934.42 and 165,449.88

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Solution

The fourth proportional to 376,252.92, 563,934.42 and 165,449.88 is: 247,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,252.92 : 563,934.42 = 165,449.88 : x
  2. Step 2: Convert to fraction form
    376,252.92/563,934.42 = 165,449.88/x
  3. Step 3: Cross multiply
    376,252.92x = 563,934.42 × 165,449.88
  4. Step 4: Simplify right side
    376,252.92x = 93,302,882,116.87
  5. Step 5: Solve for x
    x = 93,302,882,116.87/376,252.92
  6. Step 6: Final answer
    x = 247,979.16

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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.