Home / 504.83-757.15-139.52

Finding the Fourth Proportional to 504.83, 757.15 and 139.52

Calculator

Solution

The fourth proportional to 504.83, 757.15 and 139.52 is: 209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.83 : 757.15 = 139.52 : x
  2. Step 2: Convert to fraction form
    504.83/757.15 = 139.52/x
  3. Step 3: Cross multiply
    504.83x = 757.15 × 139.52
  4. Step 4: Simplify right side
    504.83x = 105,639.11
  5. Step 5: Solve for x
    x = 105,639.11/504.83
  6. Step 6: Final answer
    x = 209.26

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.