Home / 388,089.81-535,367.97-226,839.51

Finding the Fourth Proportional to 388,089.81, 535,367.97 and 226,839.51

Calculator

Solution

The fourth proportional to 388,089.81, 535,367.97 and 226,839.51 is: 312,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,089.81 : 535,367.97 = 226,839.51 : x
  2. Step 2: Convert to fraction form
    388,089.81/535,367.97 = 226,839.51/x
  3. Step 3: Cross multiply
    388,089.81x = 535,367.97 × 226,839.51
  4. Step 4: Simplify right side
    388,089.81x = 121,442,607,984.50
  5. Step 5: Solve for x
    x = 121,442,607,984.50/388,089.81
  6. Step 6: Final answer
    x = 312,923.98

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.