Home / 481,446.20-721,974.90-165,740.60

Finding the Fourth Proportional to 481,446.20, 721,974.90 and 165,740.60

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Solution

The fourth proportional to 481,446.20, 721,974.90 and 165,740.60 is: 248,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,446.20 : 721,974.90 = 165,740.60 : x
  2. Step 2: Convert to fraction form
    481,446.20/721,974.90 = 165,740.60/x
  3. Step 3: Cross multiply
    481,446.20x = 721,974.90 × 165,740.60
  4. Step 4: Simplify right side
    481,446.20x = 119,660,553,110.94
  5. Step 5: Solve for x
    x = 119,660,553,110.94/481,446.20
  6. Step 6: Final answer
    x = 248,543.98

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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.