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Finding the Fourth Proportional to 307,102.75, 423,576.21 and 203,549.68

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Solution

The fourth proportional to 307,102.75, 423,576.21 and 203,549.68 is: 280,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,102.75 : 423,576.21 = 203,549.68 : x
  2. Step 2: Convert to fraction form
    307,102.75/423,576.21 = 203,549.68/x
  3. Step 3: Cross multiply
    307,102.75x = 423,576.21 × 203,549.68
  4. Step 4: Simplify right side
    307,102.75x = 86,218,802,001.11
  5. Step 5: Solve for x
    x = 86,218,802,001.11/307,102.75
  6. Step 6: Final answer
    x = 280,749.04

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