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Finding the Fourth Proportional to 198,784.77, 274,424.58 and 153,360.78

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Solution

The fourth proportional to 198,784.77, 274,424.58 and 153,360.78 is: 211,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,784.77 : 274,424.58 = 153,360.78 : x
  2. Step 2: Convert to fraction form
    198,784.77/274,424.58 = 153,360.78/x
  3. Step 3: Cross multiply
    198,784.77x = 274,424.58 × 153,360.78
  4. Step 4: Simplify right side
    198,784.77x = 42,085,967,639.97
  5. Step 5: Solve for x
    x = 42,085,967,639.97/198,784.77
  6. Step 6: Final answer
    x = 211,716.26

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