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Finding the Fourth Proportional to 225,640.80, 338,461.20 and 204,904.80

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Solution

The fourth proportional to 225,640.80, 338,461.20 and 204,904.80 is: 307,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,640.80 : 338,461.20 = 204,904.80 : x
  2. Step 2: Convert to fraction form
    225,640.80/338,461.20 = 204,904.80/x
  3. Step 3: Cross multiply
    225,640.80x = 338,461.20 × 204,904.80
  4. Step 4: Simplify right side
    225,640.80x = 69,352,324,493.76
  5. Step 5: Solve for x
    x = 69,352,324,493.76/225,640.80
  6. Step 6: Final answer
    x = 307,357.20

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