Home / 220,468-330,702-54,256

Finding the Fourth Proportional to 220,468, 330,702 and 54,256

Calculator

Solution

The fourth proportional to 220,468, 330,702 and 54,256 is: 81,384

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,468 : 330,702 = 54,256 : x
  2. Step 2: Convert to fraction form
    220,468/330,702 = 54,256/x
  3. Step 3: Cross multiply
    220,468x = 330,702 × 54,256
  4. Step 4: Simplify right side
    220,468x = 17,942,567,712
  5. Step 5: Solve for x
    x = 17,942,567,712/220,468
  6. Step 6: Final answer
    x = 81,384

Related Problems

Find fourth proportional to 110,234, 165,351 and 27,128
Half scale
Find fourth proportional to 440,936, 661,404 and 108,512
Double scale
Find fourth proportional to 220,469, 330,703.50 and 54,257
Similar ratio
Find fourth proportional to 330,702, 496,053 and 81,384
1.5x scale

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.