Home / 371,908.32-513,307.92-220,976.16

Finding the Fourth Proportional to 371,908.32, 513,307.92 and 220,976.16

Calculator

Solution

The fourth proportional to 371,908.32, 513,307.92 and 220,976.16 is: 304,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,908.32 : 513,307.92 = 220,976.16 : x
  2. Step 2: Convert to fraction form
    371,908.32/513,307.92 = 220,976.16/x
  3. Step 3: Cross multiply
    371,908.32x = 513,307.92 × 220,976.16
  4. Step 4: Simplify right side
    371,908.32x = 113,428,813,059.19
  5. Step 5: Solve for x
    x = 113,428,813,059.19/371,908.32
  6. Step 6: Final answer
    x = 304,991.33

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.