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Finding the Fourth Proportional to 276,007.05, 413,588.07 and 185,715.38

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Solution

The fourth proportional to 276,007.05, 413,588.07 and 185,715.38 is: 278,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,007.05 : 413,588.07 = 185,715.38 : x
  2. Step 2: Convert to fraction form
    276,007.05/413,588.07 = 185,715.38/x
  3. Step 3: Cross multiply
    276,007.05x = 413,588.07 × 185,715.38
  4. Step 4: Simplify right side
    276,007.05x = 76,809,666,617.49
  5. Step 5: Solve for x
    x = 76,809,666,617.49/276,007.05
  6. Step 6: Final answer
    x = 278,288.79

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