Home / 274.99-412.49-82.62

Finding the Fourth Proportional to 274.99, 412.49 and 82.62

Calculator

Solution

The fourth proportional to 274.99, 412.49 and 82.62 is: 123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.99 : 412.49 = 82.62 : x
  2. Step 2: Convert to fraction form
    274.99/412.49 = 82.62/x
  3. Step 3: Cross multiply
    274.99x = 412.49 × 82.62
  4. Step 4: Simplify right side
    274.99x = 34,078.97
  5. Step 5: Solve for x
    x = 34,078.97/274.99
  6. Step 6: Final answer
    x = 123.93

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.