Home / 309,234.43-463,414.24-131,562.55

Finding the Fourth Proportional to 309,234.43, 463,414.24 and 131,562.55

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Solution

The fourth proportional to 309,234.43, 463,414.24 and 131,562.55 is: 197,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,234.43 : 463,414.24 = 131,562.55 : x
  2. Step 2: Convert to fraction form
    309,234.43/463,414.24 = 131,562.55/x
  3. Step 3: Cross multiply
    309,234.43x = 463,414.24 × 131,562.55
  4. Step 4: Simplify right side
    309,234.43x = 60,967,959,120.71
  5. Step 5: Solve for x
    x = 60,967,959,120.71/309,234.43
  6. Step 6: Final answer
    x = 197,157.73

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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.