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Finding the Fourth Proportional to 331,672.04, 497,585.82 and 132,004.52

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Solution

The fourth proportional to 331,672.04, 497,585.82 and 132,004.52 is: 198,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,672.04 : 497,585.82 = 132,004.52 : x
  2. Step 2: Convert to fraction form
    331,672.04/497,585.82 = 132,004.52/x
  3. Step 3: Cross multiply
    331,672.04x = 497,585.82 × 132,004.52
  4. Step 4: Simplify right side
    331,672.04x = 65,683,577,327.91
  5. Step 5: Solve for x
    x = 65,683,577,327.91/331,672.04
  6. Step 6: Final answer
    x = 198,037.73

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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.