Home / 331,010.10-496,515.15-198,299.70

Finding the Fourth Proportional to 331,010.10, 496,515.15 and 198,299.70

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Solution

The fourth proportional to 331,010.10, 496,515.15 and 198,299.70 is: 297,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,010.10 : 496,515.15 = 198,299.70 : x
  2. Step 2: Convert to fraction form
    331,010.10/496,515.15 = 198,299.70/x
  3. Step 3: Cross multiply
    331,010.10x = 496,515.15 × 198,299.70
  4. Step 4: Simplify right side
    331,010.10x = 98,458,805,290.46
  5. Step 5: Solve for x
    x = 98,458,805,290.46/331,010.10
  6. Step 6: Final answer
    x = 297,449.55

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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.