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Finding the Fourth Proportional to 322,733.92, 445,388.59 and 179,490.89

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Solution

The fourth proportional to 322,733.92, 445,388.59 and 179,490.89 is: 247,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,733.92 : 445,388.59 = 179,490.89 : x
  2. Step 2: Convert to fraction form
    322,733.92/445,388.59 = 179,490.89/x
  3. Step 3: Cross multiply
    322,733.92x = 445,388.59 × 179,490.89
  4. Step 4: Simplify right side
    322,733.92x = 79,943,194,414.95
  5. Step 5: Solve for x
    x = 79,943,194,414.95/322,733.92
  6. Step 6: Final answer
    x = 247,706.20

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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.