Home / 259,975.64-389,962.42-82,496.48

Finding the Fourth Proportional to 259,975.64, 389,962.42 and 82,496.48

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Solution

The fourth proportional to 259,975.64, 389,962.42 and 82,496.48 is: 123,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,975.64 : 389,962.42 = 82,496.48 : x
  2. Step 2: Convert to fraction form
    259,975.64/389,962.42 = 82,496.48/x
  3. Step 3: Cross multiply
    259,975.64x = 389,962.42 × 82,496.48
  4. Step 4: Simplify right side
    259,975.64x = 32,170,524,826.23
  5. Step 5: Solve for x
    x = 32,170,524,826.23/259,975.64
  6. Step 6: Final answer
    x = 123,744.38

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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.