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Finding the Fourth Proportional to 360,540.75, 497,612.79 and 231,640.36

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Solution

The fourth proportional to 360,540.75, 497,612.79 and 231,640.36 is: 319,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,540.75 : 497,612.79 = 231,640.36 : x
  2. Step 2: Convert to fraction form
    360,540.75/497,612.79 = 231,640.36/x
  3. Step 3: Cross multiply
    360,540.75x = 497,612.79 × 231,640.36
  4. Step 4: Simplify right side
    360,540.75x = 115,267,205,816.20
  5. Step 5: Solve for x
    x = 115,267,205,816.20/360,540.75
  6. Step 6: Final answer
    x = 319,706.46

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