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Finding the Fourth Proportional to 307,098.28, 423,570.05 and 203,545.20

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Solution

The fourth proportional to 307,098.28, 423,570.05 and 203,545.20 is: 280,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,098.28 : 423,570.05 = 203,545.20 : x
  2. Step 2: Convert to fraction form
    307,098.28/423,570.05 = 203,545.20/x
  3. Step 3: Cross multiply
    307,098.28x = 423,570.05 × 203,545.20
  4. Step 4: Simplify right side
    307,098.28x = 86,215,649,523.53
  5. Step 5: Solve for x
    x = 86,215,649,523.53/307,098.28
  6. Step 6: Final answer
    x = 280,742.86

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