Home / 381,207.06-571,770.36-156,591.18

Finding the Fourth Proportional to 381,207.06, 571,770.36 and 156,591.18

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Solution

The fourth proportional to 381,207.06, 571,770.36 and 156,591.18 is: 234,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,207.06 : 571,770.36 = 156,591.18 : x
  2. Step 2: Convert to fraction form
    381,207.06/571,770.36 = 156,591.18/x
  3. Step 3: Cross multiply
    381,207.06x = 571,770.36 × 156,591.18
  4. Step 4: Simplify right side
    381,207.06x = 89,534,195,361.42
  5. Step 5: Solve for x
    x = 89,534,195,361.42/381,207.06
  6. Step 6: Final answer
    x = 234,870.24

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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.