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Finding the Fourth Proportional to 225,608.41, 338,357.40 and 99,280.54

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Solution

The fourth proportional to 225,608.41, 338,357.40 and 99,280.54 is: 148,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,608.41 : 338,357.40 = 99,280.54 : x
  2. Step 2: Convert to fraction form
    225,608.41/338,357.40 = 99,280.54/x
  3. Step 3: Cross multiply
    225,608.41x = 338,357.40 × 99,280.54
  4. Step 4: Simplify right side
    225,608.41x = 33,592,305,385.00
  5. Step 5: Solve for x
    x = 33,592,305,385.00/225,608.41
  6. Step 6: Final answer
    x = 148,896.51

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