Home / 241,420.20-362,195.10-215,305.80

Finding the Fourth Proportional to 241,420.20, 362,195.10 and 215,305.80

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Solution

The fourth proportional to 241,420.20, 362,195.10 and 215,305.80 is: 323,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,420.20 : 362,195.10 = 215,305.80 : x
  2. Step 2: Convert to fraction form
    241,420.20/362,195.10 = 215,305.80/x
  3. Step 3: Cross multiply
    241,420.20x = 362,195.10 × 215,305.80
  4. Step 4: Simplify right side
    241,420.20x = 77,982,705,761.58
  5. Step 5: Solve for x
    x = 77,982,705,761.58/241,420.20
  6. Step 6: Final answer
    x = 323,016.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.