Home / 259,482.20-389,235.46-82,003.10

Finding the Fourth Proportional to 259,482.20, 389,235.46 and 82,003.10

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Solution

The fourth proportional to 259,482.20, 389,235.46 and 82,003.10 is: 123,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,482.20 : 389,235.46 = 82,003.10 : x
  2. Step 2: Convert to fraction form
    259,482.20/389,235.46 = 82,003.10/x
  3. Step 3: Cross multiply
    259,482.20x = 389,235.46 × 82,003.10
  4. Step 4: Simplify right side
    259,482.20x = 31,918,514,349.93
  5. Step 5: Solve for x
    x = 31,918,514,349.93/259,482.20
  6. Step 6: Final answer
    x = 123,008.49

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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.