Home / 397,470.80-596,206.20-131,272.40

Finding the Fourth Proportional to 397,470.80, 596,206.20 and 131,272.40

Calculator

Solution

The fourth proportional to 397,470.80, 596,206.20 and 131,272.40 is: 196,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,470.80 : 596,206.20 = 131,272.40 : x
  2. Step 2: Convert to fraction form
    397,470.80/596,206.20 = 131,272.40/x
  3. Step 3: Cross multiply
    397,470.80x = 596,206.20 × 131,272.40
  4. Step 4: Simplify right side
    397,470.80x = 78,265,418,768.88
  5. Step 5: Solve for x
    x = 78,265,418,768.88/397,470.80
  6. Step 6: Final answer
    x = 196,908.60

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.