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Finding the Fourth Proportional to 200,672.40, 300,862.80 and 82,282.80

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Solution

The fourth proportional to 200,672.40, 300,862.80 and 82,282.80 is: 123,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,672.40 : 300,862.80 = 82,282.80 : x
  2. Step 2: Convert to fraction form
    200,672.40/300,862.80 = 82,282.80/x
  3. Step 3: Cross multiply
    200,672.40x = 300,862.80 × 82,282.80
  4. Step 4: Simplify right side
    200,672.40x = 24,755,833,599.84
  5. Step 5: Solve for x
    x = 24,755,833,599.84/200,672.40
  6. Step 6: Final answer
    x = 123,364.42

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