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Finding the Fourth Proportional to 322,125.42, 482,731.13 and 237,219.70

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Solution

The fourth proportional to 322,125.42, 482,731.13 and 237,219.70 is: 355,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,125.42 : 482,731.13 = 237,219.70 : x
  2. Step 2: Convert to fraction form
    322,125.42/482,731.13 = 237,219.70/x
  3. Step 3: Cross multiply
    322,125.42x = 482,731.13 × 237,219.70
  4. Step 4: Simplify right side
    322,125.42x = 114,513,332,335.91
  5. Step 5: Solve for x
    x = 114,513,332,335.91/322,125.42
  6. Step 6: Final answer
    x = 355,493.01

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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.