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Finding the Fourth Proportional to 343,278.80, 514,918.20 and 203,195.60

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Solution

The fourth proportional to 343,278.80, 514,918.20 and 203,195.60 is: 304,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,278.80 : 514,918.20 = 203,195.60 : x
  2. Step 2: Convert to fraction form
    343,278.80/514,918.20 = 203,195.60/x
  3. Step 3: Cross multiply
    343,278.80x = 514,918.20 × 203,195.60
  4. Step 4: Simplify right side
    343,278.80x = 104,629,112,599.92
  5. Step 5: Solve for x
    x = 104,629,112,599.92/343,278.80
  6. Step 6: Final answer
    x = 304,793.40

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