Home / 259,982.44-390,031.94-82,495.24

Finding the Fourth Proportional to 259,982.44, 390,031.94 and 82,495.24

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Solution

The fourth proportional to 259,982.44, 390,031.94 and 82,495.24 is: 123,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,982.44 : 390,031.94 = 82,495.24 : x
  2. Step 2: Convert to fraction form
    259,982.44/390,031.94 = 82,495.24/x
  3. Step 3: Cross multiply
    259,982.44x = 390,031.94 × 82,495.24
  4. Step 4: Simplify right side
    259,982.44x = 32,175,778,497.97
  5. Step 5: Solve for x
    x = 32,175,778,497.97/259,982.44
  6. Step 6: Final answer
    x = 123,761.35

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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.