Home / 328,660.92-493,195.47-210,417.12

Finding the Fourth Proportional to 328,660.92, 493,195.47 and 210,417.12

Calculator

Solution

The fourth proportional to 328,660.92, 493,195.47 and 210,417.12 is: 315,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,660.92 : 493,195.47 = 210,417.12 : x
  2. Step 2: Convert to fraction form
    328,660.92/493,195.47 = 210,417.12/x
  3. Step 3: Cross multiply
    328,660.92x = 493,195.47 × 210,417.12
  4. Step 4: Simplify right side
    328,660.92x = 103,776,770,394.45
  5. Step 5: Solve for x
    x = 103,776,770,394.45/328,660.92
  6. Step 6: Final answer
    x = 315,756.34

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.