Home / 312,728.82-431,562.63-174,906.30

Finding the Fourth Proportional to 312,728.82, 431,562.63 and 174,906.30

Calculator

Solution

The fourth proportional to 312,728.82, 431,562.63 and 174,906.30 is: 241,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,728.82 : 431,562.63 = 174,906.30 : x
  2. Step 2: Convert to fraction form
    312,728.82/431,562.63 = 174,906.30/x
  3. Step 3: Cross multiply
    312,728.82x = 431,562.63 × 174,906.30
  4. Step 4: Simplify right side
    312,728.82x = 75,483,025,105.83
  5. Step 5: Solve for x
    x = 75,483,025,105.83/312,728.82
  6. Step 6: Final answer
    x = 241,368.95

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.