Home / 393,023.50-589,659.86-140,298.57

Finding the Fourth Proportional to 393,023.50, 589,659.86 and 140,298.57

Calculator

Solution

The fourth proportional to 393,023.50, 589,659.86 and 140,298.57 is: 210,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,023.50 : 589,659.86 = 140,298.57 : x
  2. Step 2: Convert to fraction form
    393,023.50/589,659.86 = 140,298.57/x
  3. Step 3: Cross multiply
    393,023.50x = 589,659.86 × 140,298.57
  4. Step 4: Simplify right side
    393,023.50x = 82,728,434,442.91
  5. Step 5: Solve for x
    x = 82,728,434,442.91/393,023.50
  6. Step 6: Final answer
    x = 210,492.34

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.