Home / 388,282.40-582,442.80-201,658.40

Finding the Fourth Proportional to 388,282.40, 582,442.80 and 201,658.40

Calculator

Solution

The fourth proportional to 388,282.40, 582,442.80 and 201,658.40 is: 302,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,282.40 : 582,442.80 = 201,658.40 : x
  2. Step 2: Convert to fraction form
    388,282.40/582,442.80 = 201,658.40/x
  3. Step 3: Cross multiply
    388,282.40x = 582,442.80 × 201,658.40
  4. Step 4: Simplify right side
    388,282.40x = 117,454,483,139.52
  5. Step 5: Solve for x
    x = 117,454,483,139.52/388,282.40
  6. Step 6: Final answer
    x = 302,497.57

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.