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Finding the Fourth Proportional to 319,517.16, 440,930.64 and 176,278.36

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Solution

The fourth proportional to 319,517.16, 440,930.64 and 176,278.36 is: 243,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,517.16 : 440,930.64 = 176,278.36 : x
  2. Step 2: Convert to fraction form
    319,517.16/440,930.64 = 176,278.36/x
  3. Step 3: Cross multiply
    319,517.16x = 440,930.64 × 176,278.36
  4. Step 4: Simplify right side
    319,517.16x = 77,726,530,092.95
  5. Step 5: Solve for x
    x = 77,726,530,092.95/319,517.16
  6. Step 6: Final answer
    x = 243,262.46

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