Home / 331,266.25-496,899.38-81,948.25

Finding the Fourth Proportional to 331,266.25, 496,899.38 and 81,948.25

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Solution

The fourth proportional to 331,266.25, 496,899.38 and 81,948.25 is: 122,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,266.25 : 496,899.38 = 81,948.25 : x
  2. Step 2: Convert to fraction form
    331,266.25/496,899.38 = 81,948.25/x
  3. Step 3: Cross multiply
    331,266.25x = 496,899.38 × 81,948.25
  4. Step 4: Simplify right side
    331,266.25x = 40,720,034,617.09
  5. Step 5: Solve for x
    x = 40,720,034,617.09/331,266.25
  6. Step 6: Final answer
    x = 122,922.38

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Similar ratio
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1.5x scale

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.