Home / 272,491.20-408,805.92-179,179.20

Finding the Fourth Proportional to 272,491.20, 408,805.92 and 179,179.20

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Solution

The fourth proportional to 272,491.20, 408,805.92 and 179,179.20 is: 268,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,491.20 : 408,805.92 = 179,179.20 : x
  2. Step 2: Convert to fraction form
    272,491.20/408,805.92 = 179,179.20/x
  3. Step 3: Cross multiply
    272,491.20x = 408,805.92 × 179,179.20
  4. Step 4: Simplify right side
    272,491.20x = 73,249,517,700.86
  5. Step 5: Solve for x
    x = 73,249,517,700.86/272,491.20
  6. Step 6: Final answer
    x = 268,814.25

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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.