Home / 378,997.32-568,305.81-126,188.76

Finding the Fourth Proportional to 378,997.32, 568,305.81 and 126,188.76

Calculator

Solution

The fourth proportional to 378,997.32, 568,305.81 and 126,188.76 is: 189,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,997.32 : 568,305.81 = 126,188.76 : x
  2. Step 2: Convert to fraction form
    378,997.32/568,305.81 = 126,188.76/x
  3. Step 3: Cross multiply
    378,997.32x = 568,305.81 × 126,188.76
  4. Step 4: Simplify right side
    378,997.32x = 71,713,805,464.70
  5. Step 5: Solve for x
    x = 71,713,805,464.70/378,997.32
  6. Step 6: Final answer
    x = 189,219.82

Related Problems

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.