Home / 259,748.20-389,622.30-207,260.20

Finding the Fourth Proportional to 259,748.20, 389,622.30 and 207,260.20

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Solution

The fourth proportional to 259,748.20, 389,622.30 and 207,260.20 is: 310,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,748.20 : 389,622.30 = 207,260.20 : x
  2. Step 2: Convert to fraction form
    259,748.20/389,622.30 = 207,260.20/x
  3. Step 3: Cross multiply
    259,748.20x = 389,622.30 × 207,260.20
  4. Step 4: Simplify right side
    259,748.20x = 80,753,195,822.46
  5. Step 5: Solve for x
    x = 80,753,195,822.46/259,748.20
  6. Step 6: Final answer
    x = 310,890.30

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Similar ratio
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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.