Home / 322,517.20-445,088.88-179,279.64

Finding the Fourth Proportional to 322,517.20, 445,088.88 and 179,279.64

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Solution

The fourth proportional to 322,517.20, 445,088.88 and 179,279.64 is: 247,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,517.20 : 445,088.88 = 179,279.64 : x
  2. Step 2: Convert to fraction form
    322,517.20/445,088.88 = 179,279.64/x
  3. Step 3: Cross multiply
    322,517.20x = 445,088.88 × 179,279.64
  4. Step 4: Simplify right side
    322,517.20x = 79,795,374,174.40
  5. Step 5: Solve for x
    x = 79,795,374,174.40/322,517.20
  6. Step 6: Final answer
    x = 247,414.32

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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.