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Finding the Fourth Proportional to 307,394.50, 424,207.65 and 173,258.50

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Solution

The fourth proportional to 307,394.50, 424,207.65 and 173,258.50 is: 239,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,394.50 : 424,207.65 = 173,258.50 : x
  2. Step 2: Convert to fraction form
    307,394.50/424,207.65 = 173,258.50/x
  3. Step 3: Cross multiply
    307,394.50x = 424,207.65 × 173,258.50
  4. Step 4: Simplify right side
    307,394.50x = 73,497,581,127.53
  5. Step 5: Solve for x
    x = 73,497,581,127.53/307,394.50
  6. Step 6: Final answer
    x = 239,098.56

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