Home / 481,208.20-721,877.10-165,761.80

Finding the Fourth Proportional to 481,208.20, 721,877.10 and 165,761.80

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Solution

The fourth proportional to 481,208.20, 721,877.10 and 165,761.80 is: 248,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,208.20 : 721,877.10 = 165,761.80 : x
  2. Step 2: Convert to fraction form
    481,208.20/721,877.10 = 165,761.80/x
  3. Step 3: Cross multiply
    481,208.20x = 721,877.10 × 165,761.80
  4. Step 4: Simplify right side
    481,208.20x = 119,659,647,474.78
  5. Step 5: Solve for x
    x = 119,659,647,474.78/481,208.20
  6. Step 6: Final answer
    x = 248,665.02

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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.