Home / 311,381.12-429,708.48-177,253.76

Finding the Fourth Proportional to 311,381.12, 429,708.48 and 177,253.76

Calculator

Solution

The fourth proportional to 311,381.12, 429,708.48 and 177,253.76 is: 244,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,381.12 : 429,708.48 = 177,253.76 : x
  2. Step 2: Convert to fraction form
    311,381.12/429,708.48 = 177,253.76/x
  3. Step 3: Cross multiply
    311,381.12x = 429,708.48 × 177,253.76
  4. Step 4: Simplify right side
    311,381.12x = 76,167,443,783.88
  5. Step 5: Solve for x
    x = 76,167,443,783.88/311,381.12
  6. Step 6: Final answer
    x = 244,611.63

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.