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Finding the Fourth Proportional to 275,476.28, 412,328.56 and 142,174.96

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Solution

The fourth proportional to 275,476.28, 412,328.56 and 142,174.96 is: 212,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,476.28 : 412,328.56 = 142,174.96 : x
  2. Step 2: Convert to fraction form
    275,476.28/412,328.56 = 142,174.96/x
  3. Step 3: Cross multiply
    275,476.28x = 412,328.56 × 142,174.96
  4. Step 4: Simplify right side
    275,476.28x = 58,622,796,524.86
  5. Step 5: Solve for x
    x = 58,622,796,524.86/275,476.28
  6. Step 6: Final answer
    x = 212,805.24

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