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Finding the Fourth Proportional to 332,305.60, 498,458.40 and 199,117.30

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Solution

The fourth proportional to 332,305.60, 498,458.40 and 199,117.30 is: 298,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,305.60 : 498,458.40 = 199,117.30 : x
  2. Step 2: Convert to fraction form
    332,305.60/498,458.40 = 199,117.30/x
  3. Step 3: Cross multiply
    332,305.60x = 498,458.40 × 199,117.30
  4. Step 4: Simplify right side
    332,305.60x = 99,251,690,770.32
  5. Step 5: Solve for x
    x = 99,251,690,770.32/332,305.60
  6. Step 6: Final answer
    x = 298,675.95

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Similar ratio
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1.5x scale

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.