Home / 331,478.33-457,418.55-195,481.11

Finding the Fourth Proportional to 331,478.33, 457,418.55 and 195,481.11

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Solution

The fourth proportional to 331,478.33, 457,418.55 and 195,481.11 is: 269,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,478.33 : 457,418.55 = 195,481.11 : x
  2. Step 2: Convert to fraction form
    331,478.33/457,418.55 = 195,481.11/x
  3. Step 3: Cross multiply
    331,478.33x = 457,418.55 × 195,481.11
  4. Step 4: Simplify right side
    331,478.33x = 89,416,685,888.59
  5. Step 5: Solve for x
    x = 89,416,685,888.59/331,478.33
  6. Step 6: Final answer
    x = 269,751.23

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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.