Home / 260,015.39-389,357.24-179,942.48

Finding the Fourth Proportional to 260,015.39, 389,357.24 and 179,942.48

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Solution

The fourth proportional to 260,015.39, 389,357.24 and 179,942.48 is: 269,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,015.39 : 389,357.24 = 179,942.48 : x
  2. Step 2: Convert to fraction form
    260,015.39/389,357.24 = 179,942.48/x
  3. Step 3: Cross multiply
    260,015.39x = 389,357.24 × 179,942.48
  4. Step 4: Simplify right side
    260,015.39x = 70,061,907,445.24
  5. Step 5: Solve for x
    x = 70,061,907,445.24/260,015.39
  6. Step 6: Final answer
    x = 269,452.93

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1.5x scale

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.