Home / 512,021.60-768,032.40-157,032.80

Finding the Fourth Proportional to 512,021.60, 768,032.40 and 157,032.80

Calculator

Solution

The fourth proportional to 512,021.60, 768,032.40 and 157,032.80 is: 235,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,021.60 : 768,032.40 = 157,032.80 : x
  2. Step 2: Convert to fraction form
    512,021.60/768,032.40 = 157,032.80/x
  3. Step 3: Cross multiply
    512,021.60x = 768,032.40 × 157,032.80
  4. Step 4: Simplify right side
    512,021.60x = 120,606,278,262.72
  5. Step 5: Solve for x
    x = 120,606,278,262.72/512,021.60
  6. Step 6: Final answer
    x = 235,549.20

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.