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Finding the Fourth Proportional to 352,761.48, 486,785.70 and 199,755.72

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Solution

The fourth proportional to 352,761.48, 486,785.70 and 199,755.72 is: 275,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,761.48 : 486,785.70 = 199,755.72 : x
  2. Step 2: Convert to fraction form
    352,761.48/486,785.70 = 199,755.72/x
  3. Step 3: Cross multiply
    352,761.48x = 486,785.70 × 199,755.72
  4. Step 4: Simplify right side
    352,761.48x = 97,238,227,989.20
  5. Step 5: Solve for x
    x = 97,238,227,989.20/352,761.48
  6. Step 6: Final answer
    x = 275,648.66

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