Home / 260,049.78-389,444.09-179,862.70

Finding the Fourth Proportional to 260,049.78, 389,444.09 and 179,862.70

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Solution

The fourth proportional to 260,049.78, 389,444.09 and 179,862.70 is: 269,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,049.78 : 389,444.09 = 179,862.70 : x
  2. Step 2: Convert to fraction form
    260,049.78/389,444.09 = 179,862.70/x
  3. Step 3: Cross multiply
    260,049.78x = 389,444.09 × 179,862.70
  4. Step 4: Simplify right side
    260,049.78x = 70,046,465,526.44
  5. Step 5: Solve for x
    x = 70,046,465,526.44/260,049.78
  6. Step 6: Final answer
    x = 269,357.91

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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.