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Finding the Fourth Proportional to 303,945.75, 455,918.63 and 82,329.75

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Solution

The fourth proportional to 303,945.75, 455,918.63 and 82,329.75 is: 123,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,945.75 : 455,918.63 = 82,329.75 : x
  2. Step 2: Convert to fraction form
    303,945.75/455,918.63 = 82,329.75/x
  3. Step 3: Cross multiply
    303,945.75x = 455,918.63 × 82,329.75
  4. Step 4: Simplify right side
    303,945.75x = 37,535,666,828.24
  5. Step 5: Solve for x
    x = 37,535,666,828.24/303,945.75
  6. Step 6: Final answer
    x = 123,494.63

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