Home / 268,412.28-402,607.91-90,919.29

Finding the Fourth Proportional to 268,412.28, 402,607.91 and 90,919.29

Calculator

Solution

The fourth proportional to 268,412.28, 402,607.91 and 90,919.29 is: 136,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,412.28 : 402,607.91 = 90,919.29 : x
  2. Step 2: Convert to fraction form
    268,412.28/402,607.91 = 90,919.29/x
  3. Step 3: Cross multiply
    268,412.28x = 402,607.91 × 90,919.29
  4. Step 4: Simplify right side
    268,412.28x = 36,604,823,026.38
  5. Step 5: Solve for x
    x = 36,604,823,026.38/268,412.28
  6. Step 6: Final answer
    x = 136,375.37

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.