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Finding the Fourth Proportional to 322,257.92, 444,728.54 and 220,496.81

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Solution

The fourth proportional to 322,257.92, 444,728.54 and 220,496.81 is: 304,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,257.92 : 444,728.54 = 220,496.81 : x
  2. Step 2: Convert to fraction form
    322,257.92/444,728.54 = 220,496.81/x
  3. Step 3: Cross multiply
    322,257.92x = 444,728.54 × 220,496.81
  4. Step 4: Simplify right side
    322,257.92x = 98,061,222,713.56
  5. Step 5: Solve for x
    x = 98,061,222,713.56/322,257.92
  6. Step 6: Final answer
    x = 304,294.23

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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.