Home / 300,036.20-449,982.30-173,402.60

Finding the Fourth Proportional to 300,036.20, 449,982.30 and 173,402.60

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Solution

The fourth proportional to 300,036.20, 449,982.30 and 173,402.60 is: 260,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,036.20 : 449,982.30 = 173,402.60 : x
  2. Step 2: Convert to fraction form
    300,036.20/449,982.30 = 173,402.60/x
  3. Step 3: Cross multiply
    300,036.20x = 449,982.30 × 173,402.60
  4. Step 4: Simplify right side
    300,036.20x = 78,028,100,773.98
  5. Step 5: Solve for x
    x = 78,028,100,773.98/300,036.20
  6. Step 6: Final answer
    x = 260,062.29

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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.