Home / 352,760.04-486,795-209,516.40

Finding the Fourth Proportional to 352,760.04, 486,795 and 209,516.40

Calculator

Solution

The fourth proportional to 352,760.04, 486,795 and 209,516.40 is: 289,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,760.04 : 486,795 = 209,516.40 : x
  2. Step 2: Convert to fraction form
    352,760.04/486,795 = 209,516.40/x
  3. Step 3: Cross multiply
    352,760.04x = 486,795 × 209,516.40
  4. Step 4: Simplify right side
    352,760.04x = 101,991,535,938
  5. Step 5: Solve for x
    x = 101,991,535,938/352,760.04
  6. Step 6: Final answer
    x = 289,124.40

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.