Home / 259,555.25-389,330.40-82,062.23

Finding the Fourth Proportional to 259,555.25, 389,330.40 and 82,062.23

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Solution

The fourth proportional to 259,555.25, 389,330.40 and 82,062.23 is: 123,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,555.25 : 389,330.40 = 82,062.23 : x
  2. Step 2: Convert to fraction form
    259,555.25/389,330.40 = 82,062.23/x
  3. Step 3: Cross multiply
    259,555.25x = 389,330.40 × 82,062.23
  4. Step 4: Simplify right side
    259,555.25x = 31,949,320,830.79
  5. Step 5: Solve for x
    x = 31,949,320,830.79/259,555.25
  6. Step 6: Final answer
    x = 123,092.56

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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.