Home / 260,015.64-389,357.61-179,942.73

Finding the Fourth Proportional to 260,015.64, 389,357.61 and 179,942.73

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Solution

The fourth proportional to 260,015.64, 389,357.61 and 179,942.73 is: 269,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,015.64 : 389,357.61 = 179,942.73 : x
  2. Step 2: Convert to fraction form
    260,015.64/389,357.61 = 179,942.73/x
  3. Step 3: Cross multiply
    260,015.64x = 389,357.61 × 179,942.73
  4. Step 4: Simplify right side
    260,015.64x = 70,062,071,289.68
  5. Step 5: Solve for x
    x = 70,062,071,289.68/260,015.64
  6. Step 6: Final answer
    x = 269,453.30

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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.