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Finding the Fourth Proportional to 442,298.16, 663,278.90 and 157,935.78

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Solution

The fourth proportional to 442,298.16, 663,278.90 and 157,935.78 is: 236,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,298.16 : 663,278.90 = 157,935.78 : x
  2. Step 2: Convert to fraction form
    442,298.16/663,278.90 = 157,935.78/x
  3. Step 3: Cross multiply
    442,298.16x = 663,278.90 × 157,935.78
  4. Step 4: Simplify right side
    442,298.16x = 104,755,469,639.36
  5. Step 5: Solve for x
    x = 104,755,469,639.36/442,298.16
  6. Step 6: Final answer
    x = 236,843.56

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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.