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Finding the Fourth Proportional to 453,043.20, 679,305.60 and 137,452.80

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Solution

The fourth proportional to 453,043.20, 679,305.60 and 137,452.80 is: 206,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,043.20 : 679,305.60 = 137,452.80 : x
  2. Step 2: Convert to fraction form
    453,043.20/679,305.60 = 137,452.80/x
  3. Step 3: Cross multiply
    453,043.20x = 679,305.60 × 137,452.80
  4. Step 4: Simplify right side
    453,043.20x = 93,372,456,775.68
  5. Step 5: Solve for x
    x = 93,372,456,775.68/453,043.20
  6. Step 6: Final answer
    x = 206,100.56

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