Home / 274,609.38-378,765.50-252,021.26

Finding the Fourth Proportional to 274,609.38, 378,765.50 and 252,021.26

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Solution

The fourth proportional to 274,609.38, 378,765.50 and 252,021.26 is: 347,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,609.38 : 378,765.50 = 252,021.26 : x
  2. Step 2: Convert to fraction form
    274,609.38/378,765.50 = 252,021.26/x
  3. Step 3: Cross multiply
    274,609.38x = 378,765.50 × 252,021.26
  4. Step 4: Simplify right side
    274,609.38x = 95,456,958,554.53
  5. Step 5: Solve for x
    x = 95,456,958,554.53/274,609.38
  6. Step 6: Final answer
    x = 347,609.97

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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.