Home / 207,866.80-311,362.80-172,874.80

Finding the Fourth Proportional to 207,866.80, 311,362.80 and 172,874.80

Calculator

Solution

The fourth proportional to 207,866.80, 311,362.80 and 172,874.80 is: 258,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,866.80 : 311,362.80 = 172,874.80 : x
  2. Step 2: Convert to fraction form
    207,866.80/311,362.80 = 172,874.80/x
  3. Step 3: Cross multiply
    207,866.80x = 311,362.80 × 172,874.80
  4. Step 4: Simplify right side
    207,866.80x = 53,826,781,777.44
  5. Step 5: Solve for x
    x = 53,826,781,777.44/207,866.80
  6. Step 6: Final answer
    x = 258,948.43

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.