Home / 327,363.31-491,065.73-102,732.61

Finding the Fourth Proportional to 327,363.31, 491,065.73 and 102,732.61

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Solution

The fourth proportional to 327,363.31, 491,065.73 and 102,732.61 is: 154,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,363.31 : 491,065.73 = 102,732.61 : x
  2. Step 2: Convert to fraction form
    327,363.31/491,065.73 = 102,732.61/x
  3. Step 3: Cross multiply
    327,363.31x = 491,065.73 × 102,732.61
  4. Step 4: Simplify right side
    327,363.31x = 50,448,464,124.46
  5. Step 5: Solve for x
    x = 50,448,464,124.46/327,363.31
  6. Step 6: Final answer
    x = 154,105.43

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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.