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Finding the Fourth Proportional to 349,141.28, 481,859.92 and 213,146.72

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Solution

The fourth proportional to 349,141.28, 481,859.92 and 213,146.72 is: 294,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,141.28 : 481,859.92 = 213,146.72 : x
  2. Step 2: Convert to fraction form
    349,141.28/481,859.92 = 213,146.72/x
  3. Step 3: Cross multiply
    349,141.28x = 481,859.92 × 213,146.72
  4. Step 4: Simplify right side
    349,141.28x = 102,706,861,447.46
  5. Step 5: Solve for x
    x = 102,706,861,447.46/349,141.28
  6. Step 6: Final answer
    x = 294,169.92

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