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Finding the Fourth Proportional to 332,238.60, 498,503.70 and 154,654.20

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Solution

The fourth proportional to 332,238.60, 498,503.70 and 154,654.20 is: 232,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,238.60 : 498,503.70 = 154,654.20 : x
  2. Step 2: Convert to fraction form
    332,238.60/498,503.70 = 154,654.20/x
  3. Step 3: Cross multiply
    332,238.60x = 498,503.70 × 154,654.20
  4. Step 4: Simplify right side
    332,238.60x = 77,095,690,920.54
  5. Step 5: Solve for x
    x = 77,095,690,920.54/332,238.60
  6. Step 6: Final answer
    x = 232,049.17

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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.