Home / 351,736.35-485,367.43-198,788.37

Finding the Fourth Proportional to 351,736.35, 485,367.43 and 198,788.37

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Solution

The fourth proportional to 351,736.35, 485,367.43 and 198,788.37 is: 274,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,736.35 : 485,367.43 = 198,788.37 : x
  2. Step 2: Convert to fraction form
    351,736.35/485,367.43 = 198,788.37/x
  3. Step 3: Cross multiply
    351,736.35x = 485,367.43 × 198,788.37
  4. Step 4: Simplify right side
    351,736.35x = 96,485,400,260.79
  5. Step 5: Solve for x
    x = 96,485,400,260.79/351,736.35
  6. Step 6: Final answer
    x = 274,311.71

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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.