Home / 449,856.27-674,451.09-272,321.28

Finding the Fourth Proportional to 449,856.27, 674,451.09 and 272,321.28

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Solution

The fourth proportional to 449,856.27, 674,451.09 and 272,321.28 is: 408,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,856.27 : 674,451.09 = 272,321.28 : x
  2. Step 2: Convert to fraction form
    449,856.27/674,451.09 = 272,321.28/x
  3. Step 3: Cross multiply
    449,856.27x = 674,451.09 × 272,321.28
  4. Step 4: Simplify right side
    449,856.27x = 183,667,384,126.20
  5. Step 5: Solve for x
    x = 183,667,384,126.20/449,856.27
  6. Step 6: Final answer
    x = 408,280.15

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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.