Home / 321,194.45-443,229.82-177,945.95

Finding the Fourth Proportional to 321,194.45, 443,229.82 and 177,945.95

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Solution

The fourth proportional to 321,194.45, 443,229.82 and 177,945.95 is: 245,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,194.45 : 443,229.82 = 177,945.95 : x
  2. Step 2: Convert to fraction form
    321,194.45/443,229.82 = 177,945.95/x
  3. Step 3: Cross multiply
    321,194.45x = 443,229.82 × 177,945.95
  4. Step 4: Simplify right side
    321,194.45x = 78,870,951,388.23
  5. Step 5: Solve for x
    x = 78,870,951,388.23/321,194.45
  6. Step 6: Final answer
    x = 245,555.15

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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.