Home / 481,444.20-721,971.90-165,738.60

Finding the Fourth Proportional to 481,444.20, 721,971.90 and 165,738.60

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Solution

The fourth proportional to 481,444.20, 721,971.90 and 165,738.60 is: 248,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,444.20 : 721,971.90 = 165,738.60 : x
  2. Step 2: Convert to fraction form
    481,444.20/721,971.90 = 165,738.60/x
  3. Step 3: Cross multiply
    481,444.20x = 721,971.90 × 165,738.60
  4. Step 4: Simplify right side
    481,444.20x = 119,658,611,945.34
  5. Step 5: Solve for x
    x = 119,658,611,945.34/481,444.20
  6. Step 6: Final answer
    x = 248,540.98

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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.