Home / 327,288.74-490,928.17-147,247.02

Finding the Fourth Proportional to 327,288.74, 490,928.17 and 147,247.02

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Solution

The fourth proportional to 327,288.74, 490,928.17 and 147,247.02 is: 220,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,288.74 : 490,928.17 = 147,247.02 : x
  2. Step 2: Convert to fraction form
    327,288.74/490,928.17 = 147,247.02/x
  3. Step 3: Cross multiply
    327,288.74x = 490,928.17 × 147,247.02
  4. Step 4: Simplify right side
    327,288.74x = 72,287,707,611.91
  5. Step 5: Solve for x
    x = 72,287,707,611.91/327,288.74
  6. Step 6: Final answer
    x = 220,868.30

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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.