Home / 331,478.82-457,419.24-195,481.60

Finding the Fourth Proportional to 331,478.82, 457,419.24 and 195,481.60

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Solution

The fourth proportional to 331,478.82, 457,419.24 and 195,481.60 is: 269,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,478.82 : 457,419.24 = 195,481.60 : x
  2. Step 2: Convert to fraction form
    331,478.82/457,419.24 = 195,481.60/x
  3. Step 3: Cross multiply
    331,478.82x = 457,419.24 × 195,481.60
  4. Step 4: Simplify right side
    331,478.82x = 89,417,044,905.98
  5. Step 5: Solve for x
    x = 89,417,044,905.98/331,478.82
  6. Step 6: Final answer
    x = 269,751.91

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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.