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Finding the Fourth Proportional to 322,262.80, 444,723.15 and 179,019.16

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Solution

The fourth proportional to 322,262.80, 444,723.15 and 179,019.16 is: 247,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,262.80 : 444,723.15 = 179,019.16 : x
  2. Step 2: Convert to fraction form
    322,262.80/444,723.15 = 179,019.16/x
  3. Step 3: Cross multiply
    322,262.80x = 444,723.15 × 179,019.16
  4. Step 4: Simplify right side
    322,262.80x = 79,613,964,745.55
  5. Step 5: Solve for x
    x = 79,613,964,745.55/322,262.80
  6. Step 6: Final answer
    x = 247,046.71

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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.