Home / 240,217.38-331,285.17-199,316.70

Finding the Fourth Proportional to 240,217.38, 331,285.17 and 199,316.70

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Solution

The fourth proportional to 240,217.38, 331,285.17 and 199,316.70 is: 274,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,217.38 : 331,285.17 = 199,316.70 : x
  2. Step 2: Convert to fraction form
    240,217.38/331,285.17 = 199,316.70/x
  3. Step 3: Cross multiply
    240,217.38x = 331,285.17 × 199,316.70
  4. Step 4: Simplify right side
    240,217.38x = 66,030,666,843.34
  5. Step 5: Solve for x
    x = 66,030,666,843.34/240,217.38
  6. Step 6: Final answer
    x = 274,878.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.