Home / 285,921.80-394,564.47-165,059

Finding the Fourth Proportional to 285,921.80, 394,564.47 and 165,059

Calculator

Solution

The fourth proportional to 285,921.80, 394,564.47 and 165,059 is: 227,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,921.80 : 394,564.47 = 165,059 : x
  2. Step 2: Convert to fraction form
    285,921.80/394,564.47 = 165,059/x
  3. Step 3: Cross multiply
    285,921.80x = 394,564.47 × 165,059
  4. Step 4: Simplify right side
    285,921.80x = 65,126,416,853.73
  5. Step 5: Solve for x
    x = 65,126,416,853.73/285,921.80
  6. Step 6: Final answer
    x = 227,777.02

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.