Home / 311,715.59-429,880.46-196,794.55

Finding the Fourth Proportional to 311,715.59, 429,880.46 and 196,794.55

Calculator

Solution

The fourth proportional to 311,715.59, 429,880.46 and 196,794.55 is: 271,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,715.59 : 429,880.46 = 196,794.55 : x
  2. Step 2: Convert to fraction form
    311,715.59/429,880.46 = 196,794.55/x
  3. Step 3: Cross multiply
    311,715.59x = 429,880.46 × 196,794.55
  4. Step 4: Simplify right side
    311,715.59x = 84,598,131,096.78
  5. Step 5: Solve for x
    x = 84,598,131,096.78/311,715.59
  6. Step 6: Final answer
    x = 271,395.25

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.