Home / 324,988.20-486,531.90-231,676.20

Finding the Fourth Proportional to 324,988.20, 486,531.90 and 231,676.20

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Solution

The fourth proportional to 324,988.20, 486,531.90 and 231,676.20 is: 346,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,988.20 : 486,531.90 = 231,676.20 : x
  2. Step 2: Convert to fraction form
    324,988.20/486,531.90 = 231,676.20/x
  3. Step 3: Cross multiply
    324,988.20x = 486,531.90 × 231,676.20
  4. Step 4: Simplify right side
    324,988.20x = 112,717,861,770.78
  5. Step 5: Solve for x
    x = 112,717,861,770.78/324,988.20
  6. Step 6: Final answer
    x = 346,836.78

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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.