Home / 259,838.20-389,753.05-82,344.93

Finding the Fourth Proportional to 259,838.20, 389,753.05 and 82,344.93

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Solution

The fourth proportional to 259,838.20, 389,753.05 and 82,344.93 is: 123,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,838.20 : 389,753.05 = 82,344.93 : x
  2. Step 2: Convert to fraction form
    259,838.20/389,753.05 = 82,344.93/x
  3. Step 3: Cross multiply
    259,838.20x = 389,753.05 × 82,344.93
  4. Step 4: Simplify right side
    259,838.20x = 32,094,187,619.54
  5. Step 5: Solve for x
    x = 32,094,187,619.54/259,838.20
  6. Step 6: Final answer
    x = 123,516.05

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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.