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Finding the Fourth Proportional to 206,952.80, 310,429.20 and 82,293.80

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Solution

The fourth proportional to 206,952.80, 310,429.20 and 82,293.80 is: 123,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,952.80 : 310,429.20 = 82,293.80 : x
  2. Step 2: Convert to fraction form
    206,952.80/310,429.20 = 82,293.80/x
  3. Step 3: Cross multiply
    206,952.80x = 310,429.20 × 82,293.80
  4. Step 4: Simplify right side
    206,952.80x = 25,546,398,498.96
  5. Step 5: Solve for x
    x = 25,546,398,498.96/206,952.80
  6. Step 6: Final answer
    x = 123,440.70

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