Home / 278,108.10-417,133.26-188,724.60

Finding the Fourth Proportional to 278,108.10, 417,133.26 and 188,724.60

Calculator

Solution

The fourth proportional to 278,108.10, 417,133.26 and 188,724.60 is: 283,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,108.10 : 417,133.26 = 188,724.60 : x
  2. Step 2: Convert to fraction form
    278,108.10/417,133.26 = 188,724.60/x
  3. Step 3: Cross multiply
    278,108.10x = 417,133.26 × 188,724.60
  4. Step 4: Simplify right side
    278,108.10x = 78,723,307,640.20
  5. Step 5: Solve for x
    x = 78,723,307,640.20/278,108.10
  6. Step 6: Final answer
    x = 283,067.30

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.