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Finding the Fourth Proportional to 225,721.76, 338,578.88 and 54,945.28

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Solution

The fourth proportional to 225,721.76, 338,578.88 and 54,945.28 is: 82,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,721.76 : 338,578.88 = 54,945.28 : x
  2. Step 2: Convert to fraction form
    225,721.76/338,578.88 = 54,945.28/x
  3. Step 3: Cross multiply
    225,721.76x = 338,578.88 × 54,945.28
  4. Step 4: Simplify right side
    225,721.76x = 18,603,311,363.69
  5. Step 5: Solve for x
    x = 18,603,311,363.69/225,721.76
  6. Step 6: Final answer
    x = 82,417.00

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