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Finding the Fourth Proportional to 332,436.60, 498,654.84 and 83,118.60

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Solution

The fourth proportional to 332,436.60, 498,654.84 and 83,118.60 is: 124,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,436.60 : 498,654.84 = 83,118.60 : x
  2. Step 2: Convert to fraction form
    332,436.60/498,654.84 = 83,118.60/x
  3. Step 3: Cross multiply
    332,436.60x = 498,654.84 × 83,118.60
  4. Step 4: Simplify right side
    332,436.60x = 41,447,492,184.02
  5. Step 5: Solve for x
    x = 41,447,492,184.02/332,436.60
  6. Step 6: Final answer
    x = 124,677.88

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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.