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Finding the Fourth Proportional to 332,267.40, 498,465.90 and 132,553.80

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Solution

The fourth proportional to 332,267.40, 498,465.90 and 132,553.80 is: 198,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,267.40 : 498,465.90 = 132,553.80 : x
  2. Step 2: Convert to fraction form
    332,267.40/498,465.90 = 132,553.80/x
  3. Step 3: Cross multiply
    332,267.40x = 498,465.90 × 132,553.80
  4. Step 4: Simplify right side
    332,267.40x = 66,073,549,215.42
  5. Step 5: Solve for x
    x = 66,073,549,215.42/332,267.40
  6. Step 6: Final answer
    x = 198,856.55

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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.