Home / 260,439.30-389,622.15-225,764.10

Finding the Fourth Proportional to 260,439.30, 389,622.15 and 225,764.10

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Solution

The fourth proportional to 260,439.30, 389,622.15 and 225,764.10 is: 337,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,439.30 : 389,622.15 = 225,764.10 : x
  2. Step 2: Convert to fraction form
    260,439.30/389,622.15 = 225,764.10/x
  3. Step 3: Cross multiply
    260,439.30x = 389,622.15 × 225,764.10
  4. Step 4: Simplify right side
    260,439.30x = 87,962,694,034.82
  5. Step 5: Solve for x
    x = 87,962,694,034.82/260,439.30
  6. Step 6: Final answer
    x = 337,747.39

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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.