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Finding the Fourth Proportional to 312,982.44, 431,876.16 and 185,633.16

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Solution

The fourth proportional to 312,982.44, 431,876.16 and 185,633.16 is: 256,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,982.44 : 431,876.16 = 185,633.16 : x
  2. Step 2: Convert to fraction form
    312,982.44/431,876.16 = 185,633.16/x
  3. Step 3: Cross multiply
    312,982.44x = 431,876.16 × 185,633.16
  4. Step 4: Simplify right side
    312,982.44x = 80,170,536,309.47
  5. Step 5: Solve for x
    x = 80,170,536,309.47/312,982.44
  6. Step 6: Final answer
    x = 256,150.27

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