Home / 330,185.26-495,279.10-80,867.26

Finding the Fourth Proportional to 330,185.26, 495,279.10 and 80,867.26

Calculator

Solution

The fourth proportional to 330,185.26, 495,279.10 and 80,867.26 is: 121,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,185.26 : 495,279.10 = 80,867.26 : x
  2. Step 2: Convert to fraction form
    330,185.26/495,279.10 = 80,867.26/x
  3. Step 3: Cross multiply
    330,185.26x = 495,279.10 × 80,867.26
  4. Step 4: Simplify right side
    330,185.26x = 40,051,863,752.27
  5. Step 5: Solve for x
    x = 40,051,863,752.27/330,185.26
  6. Step 6: Final answer
    x = 121,301.19

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.