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Finding the Fourth Proportional to 313,013.25, 431,958.29 and 178,877.25

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Solution

The fourth proportional to 313,013.25, 431,958.29 and 178,877.25 is: 246,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,013.25 : 431,958.29 = 178,877.25 : x
  2. Step 2: Convert to fraction form
    313,013.25/431,958.29 = 178,877.25/x
  3. Step 3: Cross multiply
    313,013.25x = 431,958.29 × 178,877.25
  4. Step 4: Simplify right side
    313,013.25x = 77,267,510,135.52
  5. Step 5: Solve for x
    x = 77,267,510,135.52/313,013.25
  6. Step 6: Final answer
    x = 246,850.61

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