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Finding the Fourth Proportional to 204,909.80, 307,364.70 and 178,665.80

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Solution

The fourth proportional to 204,909.80, 307,364.70 and 178,665.80 is: 267,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,909.80 : 307,364.70 = 178,665.80 : x
  2. Step 2: Convert to fraction form
    204,909.80/307,364.70 = 178,665.80/x
  3. Step 3: Cross multiply
    204,909.80x = 307,364.70 × 178,665.80
  4. Step 4: Simplify right side
    204,909.80x = 54,915,560,017.26
  5. Step 5: Solve for x
    x = 54,915,560,017.26/204,909.80
  6. Step 6: Final answer
    x = 267,998.70

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