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Finding the Fourth Proportional to 322,450.26, 444,978.06 and 179,207.40

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Solution

The fourth proportional to 322,450.26, 444,978.06 and 179,207.40 is: 247,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,450.26 : 444,978.06 = 179,207.40 : x
  2. Step 2: Convert to fraction form
    322,450.26/444,978.06 = 179,207.40/x
  3. Step 3: Cross multiply
    322,450.26x = 444,978.06 × 179,207.40
  4. Step 4: Simplify right side
    322,450.26x = 79,743,361,189.64
  5. Step 5: Solve for x
    x = 79,743,361,189.64/322,450.26
  6. Step 6: Final answer
    x = 247,304.38

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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.