Home / 311,628.44-430,093.32-230,942.72

Finding the Fourth Proportional to 311,628.44, 430,093.32 and 230,942.72

Calculator

Solution

The fourth proportional to 311,628.44, 430,093.32 and 230,942.72 is: 318,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,628.44 : 430,093.32 = 230,942.72 : x
  2. Step 2: Convert to fraction form
    311,628.44/430,093.32 = 230,942.72/x
  3. Step 3: Cross multiply
    311,628.44x = 430,093.32 × 230,942.72
  4. Step 4: Simplify right side
    311,628.44x = 99,326,921,174.63
  5. Step 5: Solve for x
    x = 99,326,921,174.63/311,628.44
  6. Step 6: Final answer
    x = 318,735.10

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.