Home / 259,836.35-389,765.46-82,350.37

Finding the Fourth Proportional to 259,836.35, 389,765.46 and 82,350.37

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Solution

The fourth proportional to 259,836.35, 389,765.46 and 82,350.37 is: 123,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,836.35 : 389,765.46 = 82,350.37 : x
  2. Step 2: Convert to fraction form
    259,836.35/389,765.46 = 82,350.37/x
  3. Step 3: Cross multiply
    259,836.35x = 389,765.46 × 82,350.37
  4. Step 4: Simplify right side
    259,836.35x = 32,097,327,895.39
  5. Step 5: Solve for x
    x = 32,097,327,895.39/259,836.35
  6. Step 6: Final answer
    x = 123,529.01

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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.