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Finding the Fourth Proportional to 307,807.91, 424,654.25 and 178,724.34

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Solution

The fourth proportional to 307,807.91, 424,654.25 and 178,724.34 is: 246,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,807.91 : 424,654.25 = 178,724.34 : x
  2. Step 2: Convert to fraction form
    307,807.91/424,654.25 = 178,724.34/x
  3. Step 3: Cross multiply
    307,807.91x = 424,654.25 × 178,724.34
  4. Step 4: Simplify right side
    307,807.91x = 75,896,049,665.82
  5. Step 5: Solve for x
    x = 75,896,049,665.82/307,807.91
  6. Step 6: Final answer
    x = 246,569.53

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