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Finding the Fourth Proportional to 378,289.64, 567,569.97 and 162,057.66

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Solution

The fourth proportional to 378,289.64, 567,569.97 and 162,057.66 is: 243,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,289.64 : 567,569.97 = 162,057.66 : x
  2. Step 2: Convert to fraction form
    378,289.64/567,569.97 = 162,057.66/x
  3. Step 3: Cross multiply
    378,289.64x = 567,569.97 × 162,057.66
  4. Step 4: Simplify right side
    378,289.64x = 91,979,061,224.47
  5. Step 5: Solve for x
    x = 91,979,061,224.47/378,289.64
  6. Step 6: Final answer
    x = 243,144.54

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