Home / 268,805.72-403,208.08-79,399.09

Finding the Fourth Proportional to 268,805.72, 403,208.08 and 79,399.09

Calculator

Solution

The fourth proportional to 268,805.72, 403,208.08 and 79,399.09 is: 119,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,805.72 : 403,208.08 = 79,399.09 : x
  2. Step 2: Convert to fraction form
    268,805.72/403,208.08 = 79,399.09/x
  3. Step 3: Cross multiply
    268,805.72x = 403,208.08 × 79,399.09
  4. Step 4: Simplify right side
    268,805.72x = 32,014,354,938.16
  5. Step 5: Solve for x
    x = 32,014,354,938.16/268,805.72
  6. Step 6: Final answer
    x = 119,098.49

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.