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Finding the Fourth Proportional to 323,397.80, 446,049.89 and 237,327.71

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Solution

The fourth proportional to 323,397.80, 446,049.89 and 237,327.71 is: 327,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,397.80 : 446,049.89 = 237,327.71 : x
  2. Step 2: Convert to fraction form
    323,397.80/446,049.89 = 237,327.71/x
  3. Step 3: Cross multiply
    323,397.80x = 446,049.89 × 237,327.71
  4. Step 4: Simplify right side
    323,397.80x = 105,859,995,522.56
  5. Step 5: Solve for x
    x = 105,859,995,522.56/323,397.80
  6. Step 6: Final answer
    x = 327,336.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.