Home / 327,586.28-491,382.17-90,947.41

Finding the Fourth Proportional to 327,586.28, 491,382.17 and 90,947.41

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Solution

The fourth proportional to 327,586.28, 491,382.17 and 90,947.41 is: 136,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,586.28 : 491,382.17 = 90,947.41 : x
  2. Step 2: Convert to fraction form
    327,586.28/491,382.17 = 90,947.41/x
  3. Step 3: Cross multiply
    327,586.28x = 491,382.17 × 90,947.41
  4. Step 4: Simplify right side
    327,586.28x = 44,689,936,182.22
  5. Step 5: Solve for x
    x = 44,689,936,182.22/327,586.28
  6. Step 6: Final answer
    x = 136,421.88

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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.