Home / 259,946.04-389,773.26-82,419.96

Finding the Fourth Proportional to 259,946.04, 389,773.26 and 82,419.96

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Solution

The fourth proportional to 259,946.04, 389,773.26 and 82,419.96 is: 123,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,946.04 : 389,773.26 = 82,419.96 : x
  2. Step 2: Convert to fraction form
    259,946.04/389,773.26 = 82,419.96/x
  3. Step 3: Cross multiply
    259,946.04x = 389,773.26 × 82,419.96
  4. Step 4: Simplify right side
    259,946.04x = 32,125,096,498.27
  5. Step 5: Solve for x
    x = 32,125,096,498.27/259,946.04
  6. Step 6: Final answer
    x = 123,583.71

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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.