Home / 272,010.24-408,014.82-72,330.66

Finding the Fourth Proportional to 272,010.24, 408,014.82 and 72,330.66

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Solution

The fourth proportional to 272,010.24, 408,014.82 and 72,330.66 is: 108,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,010.24 : 408,014.82 = 72,330.66 : x
  2. Step 2: Convert to fraction form
    272,010.24/408,014.82 = 72,330.66/x
  3. Step 3: Cross multiply
    272,010.24x = 408,014.82 × 72,330.66
  4. Step 4: Simplify right side
    272,010.24x = 29,511,981,220.38
  5. Step 5: Solve for x
    x = 29,511,981,220.38/272,010.24
  6. Step 6: Final answer
    x = 108,495.85

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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.