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Finding the Fourth Proportional to 222,097.14, 332,979.26 and 72,247.95

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Solution

The fourth proportional to 222,097.14, 332,979.26 and 72,247.95 is: 108,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,097.14 : 332,979.26 = 72,247.95 : x
  2. Step 2: Convert to fraction form
    222,097.14/332,979.26 = 72,247.95/x
  3. Step 3: Cross multiply
    222,097.14x = 332,979.26 × 72,247.95
  4. Step 4: Simplify right side
    222,097.14x = 24,057,068,566.28
  5. Step 5: Solve for x
    x = 24,057,068,566.28/222,097.14
  6. Step 6: Final answer
    x = 108,317.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.