Home / 228,447.84-342,708.48-78,651.30

Finding the Fourth Proportional to 228,447.84, 342,708.48 and 78,651.30

Calculator

Solution

The fourth proportional to 228,447.84, 342,708.48 and 78,651.30 is: 117,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,447.84 : 342,708.48 = 78,651.30 : x
  2. Step 2: Convert to fraction form
    228,447.84/342,708.48 = 78,651.30/x
  3. Step 3: Cross multiply
    228,447.84x = 342,708.48 × 78,651.30
  4. Step 4: Simplify right side
    228,447.84x = 26,954,467,473.02
  5. Step 5: Solve for x
    x = 26,954,467,473.02/228,447.84
  6. Step 6: Final answer
    x = 117,989.59

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.