Home / 351,976.68-485,600.54-231,183.45

Finding the Fourth Proportional to 351,976.68, 485,600.54 and 231,183.45

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Solution

The fourth proportional to 351,976.68, 485,600.54 and 231,183.45 is: 318,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,976.68 : 485,600.54 = 231,183.45 : x
  2. Step 2: Convert to fraction form
    351,976.68/485,600.54 = 231,183.45/x
  3. Step 3: Cross multiply
    351,976.68x = 485,600.54 × 231,183.45
  4. Step 4: Simplify right side
    351,976.68x = 112,262,807,003.15
  5. Step 5: Solve for x
    x = 112,262,807,003.15/351,976.68
  6. Step 6: Final answer
    x = 318,949.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.