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Finding the Fourth Proportional to 316,896.06, 475,344.90 and 80,238.78

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Solution

The fourth proportional to 316,896.06, 475,344.90 and 80,238.78 is: 120,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,896.06 : 475,344.90 = 80,238.78 : x
  2. Step 2: Convert to fraction form
    316,896.06/475,344.90 = 80,238.78/x
  3. Step 3: Cross multiply
    316,896.06x = 475,344.90 × 80,238.78
  4. Step 4: Simplify right side
    316,896.06x = 38,141,094,855.22
  5. Step 5: Solve for x
    x = 38,141,094,855.22/316,896.06
  6. Step 6: Final answer
    x = 120,358.38

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