Home / 259,556.45-389,332.37-82,063.58

Finding the Fourth Proportional to 259,556.45, 389,332.37 and 82,063.58

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Solution

The fourth proportional to 259,556.45, 389,332.37 and 82,063.58 is: 123,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,556.45 : 389,332.37 = 82,063.58 : x
  2. Step 2: Convert to fraction form
    259,556.45/389,332.37 = 82,063.58/x
  3. Step 3: Cross multiply
    259,556.45x = 389,332.37 × 82,063.58
  4. Step 4: Simplify right side
    259,556.45x = 31,950,006,350.58
  5. Step 5: Solve for x
    x = 31,950,006,350.58/259,556.45
  6. Step 6: Final answer
    x = 123,094.64

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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.