Home / 261,868.97-392,731.76-72,284.01

Finding the Fourth Proportional to 261,868.97, 392,731.76 and 72,284.01

Calculator

Solution

The fourth proportional to 261,868.97, 392,731.76 and 72,284.01 is: 108,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,868.97 : 392,731.76 = 72,284.01 : x
  2. Step 2: Convert to fraction form
    261,868.97/392,731.76 = 72,284.01/x
  3. Step 3: Cross multiply
    261,868.97x = 392,731.76 × 72,284.01
  4. Step 4: Simplify right side
    261,868.97x = 28,388,227,629.70
  5. Step 5: Solve for x
    x = 28,388,227,629.70/261,868.97
  6. Step 6: Final answer
    x = 108,406.23

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.