Home / 330,829.20-496,243.80-190,472.40

Finding the Fourth Proportional to 330,829.20, 496,243.80 and 190,472.40

Calculator

Solution

The fourth proportional to 330,829.20, 496,243.80 and 190,472.40 is: 285,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,829.20 : 496,243.80 = 190,472.40 : x
  2. Step 2: Convert to fraction form
    330,829.20/496,243.80 = 190,472.40/x
  3. Step 3: Cross multiply
    330,829.20x = 496,243.80 × 190,472.40
  4. Step 4: Simplify right side
    330,829.20x = 94,520,747,571.12
  5. Step 5: Solve for x
    x = 94,520,747,571.12/330,829.20
  6. Step 6: Final answer
    x = 285,708.60

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.