Home / 280,597.35-420,958.20-80,902.14

Finding the Fourth Proportional to 280,597.35, 420,958.20 and 80,902.14

Calculator

Solution

The fourth proportional to 280,597.35, 420,958.20 and 80,902.14 is: 121,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,597.35 : 420,958.20 = 80,902.14 : x
  2. Step 2: Convert to fraction form
    280,597.35/420,958.20 = 80,902.14/x
  3. Step 3: Cross multiply
    280,597.35x = 420,958.20 × 80,902.14
  4. Step 4: Simplify right side
    280,597.35x = 34,056,419,230.55
  5. Step 5: Solve for x
    x = 34,056,419,230.55/280,597.35
  6. Step 6: Final answer
    x = 121,371.14

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.