Home / 451,872-677,912.16-156,384

Finding the Fourth Proportional to 451,872, 677,912.16 and 156,384

Calculator

Solution

The fourth proportional to 451,872, 677,912.16 and 156,384 is: 234,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,872 : 677,912.16 = 156,384 : x
  2. Step 2: Convert to fraction form
    451,872/677,912.16 = 156,384/x
  3. Step 3: Cross multiply
    451,872x = 677,912.16 × 156,384
  4. Step 4: Simplify right side
    451,872x = 106,014,615,229.44
  5. Step 5: Solve for x
    x = 106,014,615,229.44/451,872
  6. Step 6: Final answer
    x = 234,612.05

Related Problems

Find fourth proportional to 225,936, 338,956.08 and 78,192
Half scale
Find fourth proportional to 903,744, 1,355,824.32 and 312,768
Double scale
Find fourth proportional to 451,873, 677,913.66 and 156,385
Similar ratio
Find fourth proportional to 677,808, 1,016,868.24 and 234,576
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.