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Finding the Fourth Proportional to 307,997.67, 425,012.78 and 178,914.77

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Solution

The fourth proportional to 307,997.67, 425,012.78 and 178,914.77 is: 246,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,997.67 : 425,012.78 = 178,914.77 : x
  2. Step 2: Convert to fraction form
    307,997.67/425,012.78 = 178,914.77/x
  3. Step 3: Cross multiply
    307,997.67x = 425,012.78 × 178,914.77
  4. Step 4: Simplify right side
    307,997.67x = 76,041,060,761.12
  5. Step 5: Solve for x
    x = 76,041,060,761.12/307,997.67
  6. Step 6: Final answer
    x = 246,888.43

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