Home / 216,440.78-298,600.93-143,878.75

Finding the Fourth Proportional to 216,440.78, 298,600.93 and 143,878.75

Calculator

Solution

The fourth proportional to 216,440.78, 298,600.93 and 143,878.75 is: 198,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,440.78 : 298,600.93 = 143,878.75 : x
  2. Step 2: Convert to fraction form
    216,440.78/298,600.93 = 143,878.75/x
  3. Step 3: Cross multiply
    216,440.78x = 298,600.93 × 143,878.75
  4. Step 4: Simplify right side
    216,440.78x = 42,962,327,990.58
  5. Step 5: Solve for x
    x = 42,962,327,990.58/216,440.78
  6. Step 6: Final answer
    x = 198,494.61

Related Problems

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.