Home / 347,240.80-479,190-196,338.40

Finding the Fourth Proportional to 347,240.80, 479,190 and 196,338.40

Calculator

Solution

The fourth proportional to 347,240.80, 479,190 and 196,338.40 is: 270,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,240.80 : 479,190 = 196,338.40 : x
  2. Step 2: Convert to fraction form
    347,240.80/479,190 = 196,338.40/x
  3. Step 3: Cross multiply
    347,240.80x = 479,190 × 196,338.40
  4. Step 4: Simplify right side
    347,240.80x = 94,083,397,896
  5. Step 5: Solve for x
    x = 94,083,397,896/347,240.80
  6. Step 6: Final answer
    x = 270,945.69

Related Problems

Find fourth proportional to 173,620.40, 239,595 and 98,169.20
Half scale
Find fourth proportional to 694,481.60, 958,380 and 392,676.80
Double scale
Find fourth proportional to 347,241.80, 479,191.38 and 196,339.40
Similar ratio
Find fourth proportional to 520,861.20, 718,785 and 294,507.60
1.5x scale

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.