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Finding the Fourth Proportional to 203,821.92, 305,781.17 and 200,432.97

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Solution

The fourth proportional to 203,821.92, 305,781.17 and 200,432.97 is: 300,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,821.92 : 305,781.17 = 200,432.97 : x
  2. Step 2: Convert to fraction form
    203,821.92/305,781.17 = 200,432.97/x
  3. Step 3: Cross multiply
    203,821.92x = 305,781.17 × 200,432.97
  4. Step 4: Simplify right side
    203,821.92x = 61,288,627,071.01
  5. Step 5: Solve for x
    x = 61,288,627,071.01/203,821.92
  6. Step 6: Final answer
    x = 300,696.94

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