Home / 262,852.80-394,279.20-172,651.20

Finding the Fourth Proportional to 262,852.80, 394,279.20 and 172,651.20

Calculator

Solution

The fourth proportional to 262,852.80, 394,279.20 and 172,651.20 is: 258,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,852.80 : 394,279.20 = 172,651.20 : x
  2. Step 2: Convert to fraction form
    262,852.80/394,279.20 = 172,651.20/x
  3. Step 3: Cross multiply
    262,852.80x = 394,279.20 × 172,651.20
  4. Step 4: Simplify right side
    262,852.80x = 68,072,777,015.04
  5. Step 5: Solve for x
    x = 68,072,777,015.04/262,852.80
  6. Step 6: Final answer
    x = 258,976.80

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.