Home / 308,240-462,360-86,624

Finding the Fourth Proportional to 308,240, 462,360 and 86,624

Calculator

Solution

The fourth proportional to 308,240, 462,360 and 86,624 is: 129,936

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,240 : 462,360 = 86,624 : x
  2. Step 2: Convert to fraction form
    308,240/462,360 = 86,624/x
  3. Step 3: Cross multiply
    308,240x = 462,360 × 86,624
  4. Step 4: Simplify right side
    308,240x = 40,051,472,640
  5. Step 5: Solve for x
    x = 40,051,472,640/308,240
  6. Step 6: Final answer
    x = 129,936

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.