Home / 801,311.20-1,201,962.27-202,269.90

Finding the Fourth Proportional to 801,311.20, 1,201,962.27 and 202,269.90

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Solution

The fourth proportional to 801,311.20, 1,201,962.27 and 202,269.90 is: 303,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,311.20 : 1,201,962.27 = 202,269.90 : x
  2. Step 2: Convert to fraction form
    801,311.20/1,201,962.27 = 202,269.90/x
  3. Step 3: Cross multiply
    801,311.20x = 1,201,962.27 × 202,269.90
  4. Step 4: Simplify right side
    801,311.20x = 243,120,788,156.67
  5. Step 5: Solve for x
    x = 243,120,788,156.67/801,311.20
  6. Step 6: Final answer
    x = 303,403.71

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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.