Home / 259,939.32-389,922.84-82,460.52

Finding the Fourth Proportional to 259,939.32, 389,922.84 and 82,460.52

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Solution

The fourth proportional to 259,939.32, 389,922.84 and 82,460.52 is: 123,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,939.32 : 389,922.84 = 82,460.52 : x
  2. Step 2: Convert to fraction form
    259,939.32/389,922.84 = 82,460.52/x
  3. Step 3: Cross multiply
    259,939.32x = 389,922.84 × 82,460.52
  4. Step 4: Simplify right side
    259,939.32x = 32,153,240,146.28
  5. Step 5: Solve for x
    x = 32,153,240,146.28/259,939.32
  6. Step 6: Final answer
    x = 123,695.18

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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.