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Finding the Fourth Proportional to 303,972.13, 455,958.20 and 82,356.13

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Solution

The fourth proportional to 303,972.13, 455,958.20 and 82,356.13 is: 123,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,972.13 : 455,958.20 = 82,356.13 : x
  2. Step 2: Convert to fraction form
    303,972.13/455,958.20 = 82,356.13/x
  3. Step 3: Cross multiply
    303,972.13x = 455,958.20 × 82,356.13
  4. Step 4: Simplify right side
    303,972.13x = 37,550,952,793.77
  5. Step 5: Solve for x
    x = 37,550,952,793.77/303,972.13
  6. Step 6: Final answer
    x = 123,534.20

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