Home / 272,227.76-408,309.24-72,563.12

Finding the Fourth Proportional to 272,227.76, 408,309.24 and 72,563.12

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Solution

The fourth proportional to 272,227.76, 408,309.24 and 72,563.12 is: 108,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,227.76 : 408,309.24 = 72,563.12 : x
  2. Step 2: Convert to fraction form
    272,227.76/408,309.24 = 72,563.12/x
  3. Step 3: Cross multiply
    272,227.76x = 408,309.24 × 72,563.12
  4. Step 4: Simplify right side
    272,227.76x = 29,628,192,379.23
  5. Step 5: Solve for x
    x = 29,628,192,379.23/272,227.76
  6. Step 6: Final answer
    x = 108,836.04

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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.