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Finding the Fourth Proportional to 226,577.28, 312,549.12 and 135,909.12

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Solution

The fourth proportional to 226,577.28, 312,549.12 and 135,909.12 is: 187,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,577.28 : 312,549.12 = 135,909.12 : x
  2. Step 2: Convert to fraction form
    226,577.28/312,549.12 = 135,909.12/x
  3. Step 3: Cross multiply
    226,577.28x = 312,549.12 × 135,909.12
  4. Step 4: Simplify right side
    226,577.28x = 42,478,275,855.97
  5. Step 5: Solve for x
    x = 42,478,275,855.97/226,577.28
  6. Step 6: Final answer
    x = 187,478.09

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