Home / 351,510-485,081.22-190,361.30

Finding the Fourth Proportional to 351,510, 485,081.22 and 190,361.30

Calculator

Solution

The fourth proportional to 351,510, 485,081.22 and 190,361.30 is: 262,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,510 : 485,081.22 = 190,361.30 : x
  2. Step 2: Convert to fraction form
    351,510/485,081.22 = 190,361.30/x
  3. Step 3: Cross multiply
    351,510x = 485,081.22 × 190,361.30
  4. Step 4: Simplify right side
    351,510x = 92,340,691,644.79
  5. Step 5: Solve for x
    x = 92,340,691,644.79/351,510
  6. Step 6: Final answer
    x = 262,697.20

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.