Home / 371,724.92-512,981.64-210,609.80

Finding the Fourth Proportional to 371,724.92, 512,981.64 and 210,609.80

Calculator

Solution

The fourth proportional to 371,724.92, 512,981.64 and 210,609.80 is: 290,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,724.92 : 512,981.64 = 210,609.80 : x
  2. Step 2: Convert to fraction form
    371,724.92/512,981.64 = 210,609.80/x
  3. Step 3: Cross multiply
    371,724.92x = 512,981.64 × 210,609.80
  4. Step 4: Simplify right side
    371,724.92x = 108,038,960,604.07
  5. Step 5: Solve for x
    x = 108,038,960,604.07/371,724.92
  6. Step 6: Final answer
    x = 290,642.23

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.