Home / 327,780.48-491,680.44-128,092.80

Finding the Fourth Proportional to 327,780.48, 491,680.44 and 128,092.80

Calculator

Solution

The fourth proportional to 327,780.48, 491,680.44 and 128,092.80 is: 192,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,780.48 : 491,680.44 = 128,092.80 : x
  2. Step 2: Convert to fraction form
    327,780.48/491,680.44 = 128,092.80/x
  3. Step 3: Cross multiply
    327,780.48x = 491,680.44 × 128,092.80
  4. Step 4: Simplify right side
    327,780.48x = 62,980,724,264.83
  5. Step 5: Solve for x
    x = 62,980,724,264.83/327,780.48
  6. Step 6: Final answer
    x = 192,143.00

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.