Home / 260,025.88-389,994.22-82,493.32

Finding the Fourth Proportional to 260,025.88, 389,994.22 and 82,493.32

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Solution

The fourth proportional to 260,025.88, 389,994.22 and 82,493.32 is: 123,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,025.88 : 389,994.22 = 82,493.32 : x
  2. Step 2: Convert to fraction form
    260,025.88/389,994.22 = 82,493.32/x
  3. Step 3: Cross multiply
    260,025.88x = 389,994.22 × 82,493.32
  4. Step 4: Simplify right side
    260,025.88x = 32,171,917,988.61
  5. Step 5: Solve for x
    x = 32,171,917,988.61/260,025.88
  6. Step 6: Final answer
    x = 123,725.83

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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.