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Finding the Fourth Proportional to 356,242.28, 491,604.74 and 203,277.70

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Solution

The fourth proportional to 356,242.28, 491,604.74 and 203,277.70 is: 280,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,242.28 : 491,604.74 = 203,277.70 : x
  2. Step 2: Convert to fraction form
    356,242.28/491,604.74 = 203,277.70/x
  3. Step 3: Cross multiply
    356,242.28x = 491,604.74 × 203,277.70
  4. Step 4: Simplify right side
    356,242.28x = 99,932,282,360.14
  5. Step 5: Solve for x
    x = 99,932,282,360.14/356,242.28
  6. Step 6: Final answer
    x = 280,517.75

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