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Finding the Fourth Proportional to 283,669.05, 391,465.67 and 156,344.97

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Solution

The fourth proportional to 283,669.05, 391,465.67 and 156,344.97 is: 215,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,669.05 : 391,465.67 = 156,344.97 : x
  2. Step 2: Convert to fraction form
    283,669.05/391,465.67 = 156,344.97/x
  3. Step 3: Cross multiply
    283,669.05x = 391,465.67 × 156,344.97
  4. Step 4: Simplify right side
    283,669.05x = 61,203,687,650.46
  5. Step 5: Solve for x
    x = 61,203,687,650.46/283,669.05
  6. Step 6: Final answer
    x = 215,757.37

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