Home / 407,119.92-561,834.50-225,825.95

Finding the Fourth Proportional to 407,119.92, 561,834.50 and 225,825.95

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Solution

The fourth proportional to 407,119.92, 561,834.50 and 225,825.95 is: 311,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,119.92 : 561,834.50 = 225,825.95 : x
  2. Step 2: Convert to fraction form
    407,119.92/561,834.50 = 225,825.95/x
  3. Step 3: Cross multiply
    407,119.92x = 561,834.50 × 225,825.95
  4. Step 4: Simplify right side
    407,119.92x = 126,876,805,766.97
  5. Step 5: Solve for x
    x = 126,876,805,766.97/407,119.92
  6. Step 6: Final answer
    x = 311,644.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.