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Finding the Fourth Proportional to 248,410.80, 372,616.20 and 220,854.60

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Solution

The fourth proportional to 248,410.80, 372,616.20 and 220,854.60 is: 331,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,410.80 : 372,616.20 = 220,854.60 : x
  2. Step 2: Convert to fraction form
    248,410.80/372,616.20 = 220,854.60/x
  3. Step 3: Cross multiply
    248,410.80x = 372,616.20 × 220,854.60
  4. Step 4: Simplify right side
    248,410.80x = 82,294,001,804.52
  5. Step 5: Solve for x
    x = 82,294,001,804.52/248,410.80
  6. Step 6: Final answer
    x = 331,281.90

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