Home / 402,515.62-603,882.30-136,276.18

Finding the Fourth Proportional to 402,515.62, 603,882.30 and 136,276.18

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Solution

The fourth proportional to 402,515.62, 603,882.30 and 136,276.18 is: 204,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,515.62 : 603,882.30 = 136,276.18 : x
  2. Step 2: Convert to fraction form
    402,515.62/603,882.30 = 136,276.18/x
  3. Step 3: Cross multiply
    402,515.62x = 603,882.30 × 136,276.18
  4. Step 4: Simplify right side
    402,515.62x = 82,294,773,013.61
  5. Step 5: Solve for x
    x = 82,294,773,013.61/402,515.62
  6. Step 6: Final answer
    x = 204,451.13

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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.