Home / 283,429.50-391,124.66-154,365.08

Finding the Fourth Proportional to 283,429.50, 391,124.66 and 154,365.08

Calculator

Solution

The fourth proportional to 283,429.50, 391,124.66 and 154,365.08 is: 213,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,429.50 : 391,124.66 = 154,365.08 : x
  2. Step 2: Convert to fraction form
    283,429.50/391,124.66 = 154,365.08/x
  3. Step 3: Cross multiply
    283,429.50x = 391,124.66 × 154,365.08
  4. Step 4: Simplify right side
    283,429.50x = 60,375,989,430.87
  5. Step 5: Solve for x
    x = 60,375,989,430.87/283,429.50
  6. Step 6: Final answer
    x = 213,019.43

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.