Home / 259,730.50-389,719.15-179,891.34

Finding the Fourth Proportional to 259,730.50, 389,719.15 and 179,891.34

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Solution

The fourth proportional to 259,730.50, 389,719.15 and 179,891.34 is: 269,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,730.50 : 389,719.15 = 179,891.34 : x
  2. Step 2: Convert to fraction form
    259,730.50/389,719.15 = 179,891.34/x
  3. Step 3: Cross multiply
    259,730.50x = 389,719.15 × 179,891.34
  4. Step 4: Simplify right side
    259,730.50x = 70,107,100,117.16
  5. Step 5: Solve for x
    x = 70,107,100,117.16/259,730.50
  6. Step 6: Final answer
    x = 269,922.48

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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.