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Finding the Fourth Proportional to 237,411.62, 327,615.12 and 129,960.89

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Solution

The fourth proportional to 237,411.62, 327,615.12 and 129,960.89 is: 179,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,411.62 : 327,615.12 = 129,960.89 : x
  2. Step 2: Convert to fraction form
    237,411.62/327,615.12 = 129,960.89/x
  3. Step 3: Cross multiply
    237,411.62x = 327,615.12 × 129,960.89
  4. Step 4: Simplify right side
    237,411.62x = 42,577,152,572.66
  5. Step 5: Solve for x
    x = 42,577,152,572.66/237,411.62
  6. Step 6: Final answer
    x = 179,338.96

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1.5x scale

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.