Home / 439,767.75-659,618.51-140,236.23

Finding the Fourth Proportional to 439,767.75, 659,618.51 and 140,236.23

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Solution

The fourth proportional to 439,767.75, 659,618.51 and 140,236.23 is: 210,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,767.75 : 659,618.51 = 140,236.23 : x
  2. Step 2: Convert to fraction form
    439,767.75/659,618.51 = 140,236.23/x
  3. Step 3: Cross multiply
    439,767.75x = 659,618.51 × 140,236.23
  4. Step 4: Simplify right side
    439,767.75x = 92,502,412,379.44
  5. Step 5: Solve for x
    x = 92,502,412,379.44/439,767.75
  6. Step 6: Final answer
    x = 210,343.78

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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.