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Finding the Fourth Proportional to 360,111.51, 496,940.49 and 198,963.09

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Solution

The fourth proportional to 360,111.51, 496,940.49 and 198,963.09 is: 274,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,111.51 : 496,940.49 = 198,963.09 : x
  2. Step 2: Convert to fraction form
    360,111.51/496,940.49 = 198,963.09/x
  3. Step 3: Cross multiply
    360,111.51x = 496,940.49 × 198,963.09
  4. Step 4: Simplify right side
    360,111.51x = 98,872,815,436.51
  5. Step 5: Solve for x
    x = 98,872,815,436.51/360,111.51
  6. Step 6: Final answer
    x = 274,561.66

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