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Finding the Fourth Proportional to 395,012.28, 545,116.60 and 222,966.46

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Solution

The fourth proportional to 395,012.28, 545,116.60 and 222,966.46 is: 307,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,012.28 : 545,116.60 = 222,966.46 : x
  2. Step 2: Convert to fraction form
    395,012.28/545,116.60 = 222,966.46/x
  3. Step 3: Cross multiply
    395,012.28x = 545,116.60 × 222,966.46
  4. Step 4: Simplify right side
    395,012.28x = 121,542,718,589.24
  5. Step 5: Solve for x
    x = 121,542,718,589.24/395,012.28
  6. Step 6: Final answer
    x = 307,693.52

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