Home / 392,867.60-542,161.06-223,102.94

Finding the Fourth Proportional to 392,867.60, 542,161.06 and 223,102.94

Calculator

Solution

The fourth proportional to 392,867.60, 542,161.06 and 223,102.94 is: 307,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,867.60 : 542,161.06 = 223,102.94 : x
  2. Step 2: Convert to fraction form
    392,867.60/542,161.06 = 223,102.94/x
  3. Step 3: Cross multiply
    392,867.60x = 542,161.06 × 223,102.94
  4. Step 4: Simplify right side
    392,867.60x = 120,957,726,439.52
  5. Step 5: Solve for x
    x = 120,957,726,439.52/392,867.60
  6. Step 6: Final answer
    x = 307,884.20

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.