Home / 342,234.60-513,439.38-131,816.04

Finding the Fourth Proportional to 342,234.60, 513,439.38 and 131,816.04

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Solution

The fourth proportional to 342,234.60, 513,439.38 and 131,816.04 is: 197,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,234.60 : 513,439.38 = 131,816.04 : x
  2. Step 2: Convert to fraction form
    342,234.60/513,439.38 = 131,816.04/x
  3. Step 3: Cross multiply
    342,234.60x = 513,439.38 × 131,816.04
  4. Step 4: Simplify right side
    342,234.60x = 67,679,545,851.66
  5. Step 5: Solve for x
    x = 67,679,545,851.66/342,234.60
  6. Step 6: Final answer
    x = 197,757.75

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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.