Home / 327,799.20-491,772.78-100,115.22

Finding the Fourth Proportional to 327,799.20, 491,772.78 and 100,115.22

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Solution

The fourth proportional to 327,799.20, 491,772.78 and 100,115.22 is: 150,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,799.20 : 491,772.78 = 100,115.22 : x
  2. Step 2: Convert to fraction form
    327,799.20/491,772.78 = 100,115.22/x
  3. Step 3: Cross multiply
    327,799.20x = 491,772.78 × 100,115.22
  4. Step 4: Simplify right side
    327,799.20x = 49,233,940,059.71
  5. Step 5: Solve for x
    x = 49,233,940,059.71/327,799.20
  6. Step 6: Final answer
    x = 150,195.42

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1.5x scale

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.