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Finding the Fourth Proportional to 236,039.75, 353,649.53 and 212,912.22

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Solution

The fourth proportional to 236,039.75, 353,649.53 and 212,912.22 is: 318,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,039.75 : 353,649.53 = 212,912.22 : x
  2. Step 2: Convert to fraction form
    236,039.75/353,649.53 = 212,912.22/x
  3. Step 3: Cross multiply
    236,039.75x = 353,649.53 × 212,912.22
  4. Step 4: Simplify right side
    236,039.75x = 75,296,305,469.70
  5. Step 5: Solve for x
    x = 75,296,305,469.70/236,039.75
  6. Step 6: Final answer
    x = 318,998.42

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