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Finding the Fourth Proportional to 345,121.89, 476,263.66 and 199,947.47

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Solution

The fourth proportional to 345,121.89, 476,263.66 and 199,947.47 is: 275,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,121.89 : 476,263.66 = 199,947.47 : x
  2. Step 2: Convert to fraction form
    345,121.89/476,263.66 = 199,947.47/x
  3. Step 3: Cross multiply
    345,121.89x = 476,263.66 × 199,947.47
  4. Step 4: Simplify right side
    345,121.89x = 95,227,713,869.94
  5. Step 5: Solve for x
    x = 95,227,713,869.94/345,121.89
  6. Step 6: Final answer
    x = 275,924.87

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