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Finding the Fourth Proportional to 275,449.14, 413,348.46 and 117,678.78

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Solution

The fourth proportional to 275,449.14, 413,348.46 and 117,678.78 is: 176,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,449.14 : 413,348.46 = 117,678.78 : x
  2. Step 2: Convert to fraction form
    275,449.14/413,348.46 = 117,678.78/x
  3. Step 3: Cross multiply
    275,449.14x = 413,348.46 × 117,678.78
  4. Step 4: Simplify right side
    275,449.14x = 48,642,342,487.68
  5. Step 5: Solve for x
    x = 48,642,342,487.68/275,449.14
  6. Step 6: Final answer
    x = 176,592.83

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