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Finding the Fourth Proportional to 369,724.49, 510,219.78 and 199,958.61

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Solution

The fourth proportional to 369,724.49, 510,219.78 and 199,958.61 is: 275,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,724.49 : 510,219.78 = 199,958.61 : x
  2. Step 2: Convert to fraction form
    369,724.49/510,219.78 = 199,958.61/x
  3. Step 3: Cross multiply
    369,724.49x = 510,219.78 × 199,958.61
  4. Step 4: Simplify right side
    369,724.49x = 102,022,838,003.31
  5. Step 5: Solve for x
    x = 102,022,838,003.31/369,724.49
  6. Step 6: Final answer
    x = 275,942.88

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