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Finding the Fourth Proportional to 476,446.43, 714,517.91 and 156,524.04

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Solution

The fourth proportional to 476,446.43, 714,517.91 and 156,524.04 is: 234,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,446.43 : 714,517.91 = 156,524.04 : x
  2. Step 2: Convert to fraction form
    476,446.43/714,517.91 = 156,524.04/x
  3. Step 3: Cross multiply
    476,446.43x = 714,517.91 × 156,524.04
  4. Step 4: Simplify right side
    476,446.43x = 111,839,229,729.90
  5. Step 5: Solve for x
    x = 111,839,229,729.90/476,446.43
  6. Step 6: Final answer
    x = 234,736.21

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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.