Home / 242,695.20-364,042.80-220,922.40

Finding the Fourth Proportional to 242,695.20, 364,042.80 and 220,922.40

Calculator

Solution

The fourth proportional to 242,695.20, 364,042.80 and 220,922.40 is: 331,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,695.20 : 364,042.80 = 220,922.40 : x
  2. Step 2: Convert to fraction form
    242,695.20/364,042.80 = 220,922.40/x
  3. Step 3: Cross multiply
    242,695.20x = 364,042.80 × 220,922.40
  4. Step 4: Simplify right side
    242,695.20x = 80,425,209,078.72
  5. Step 5: Solve for x
    x = 80,425,209,078.72/242,695.20
  6. Step 6: Final answer
    x = 331,383.60

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.