Home / 331,205.31-457,122.96-195,231.33

Finding the Fourth Proportional to 331,205.31, 457,122.96 and 195,231.33

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Solution

The fourth proportional to 331,205.31, 457,122.96 and 195,231.33 is: 269,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,205.31 : 457,122.96 = 195,231.33 : x
  2. Step 2: Convert to fraction form
    331,205.31/457,122.96 = 195,231.33/x
  3. Step 3: Cross multiply
    331,205.31x = 457,122.96 × 195,231.33
  4. Step 4: Simplify right side
    331,205.31x = 89,244,723,454.34
  5. Step 5: Solve for x
    x = 89,244,723,454.34/331,205.31
  6. Step 6: Final answer
    x = 269,454.39

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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.