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Finding the Fourth Proportional to 354,557.22, 489,367.86 and 225,469.53

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Solution

The fourth proportional to 354,557.22, 489,367.86 and 225,469.53 is: 311,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,557.22 : 489,367.86 = 225,469.53 : x
  2. Step 2: Convert to fraction form
    354,557.22/489,367.86 = 225,469.53/x
  3. Step 3: Cross multiply
    354,557.22x = 489,367.86 × 225,469.53
  4. Step 4: Simplify right side
    354,557.22x = 110,337,541,391.31
  5. Step 5: Solve for x
    x = 110,337,541,391.31/354,557.22
  6. Step 6: Final answer
    x = 311,198.12

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