Home / 230,877.20-346,315.80-191,478.80

Finding the Fourth Proportional to 230,877.20, 346,315.80 and 191,478.80

Calculator

Solution

The fourth proportional to 230,877.20, 346,315.80 and 191,478.80 is: 287,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,877.20 : 346,315.80 = 191,478.80 : x
  2. Step 2: Convert to fraction form
    230,877.20/346,315.80 = 191,478.80/x
  3. Step 3: Cross multiply
    230,877.20x = 346,315.80 × 191,478.80
  4. Step 4: Simplify right side
    230,877.20x = 66,312,133,805.04
  5. Step 5: Solve for x
    x = 66,312,133,805.04/230,877.20
  6. Step 6: Final answer
    x = 287,218.20

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.