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Finding the Fourth Proportional to 303,057.06, 418,397.94 and 269,430

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Solution

The fourth proportional to 303,057.06, 418,397.94 and 269,430 is: 371,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,057.06 : 418,397.94 = 269,430 : x
  2. Step 2: Convert to fraction form
    303,057.06/418,397.94 = 269,430/x
  3. Step 3: Cross multiply
    303,057.06x = 418,397.94 × 269,430
  4. Step 4: Simplify right side
    303,057.06x = 112,728,956,974.20
  5. Step 5: Solve for x
    x = 112,728,956,974.20/303,057.06
  6. Step 6: Final answer
    x = 371,972.71

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