Home / 315,824.34-435,830.40-172,585.26

Finding the Fourth Proportional to 315,824.34, 435,830.40 and 172,585.26

Calculator

Solution

The fourth proportional to 315,824.34, 435,830.40 and 172,585.26 is: 238,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,824.34 : 435,830.40 = 172,585.26 : x
  2. Step 2: Convert to fraction form
    315,824.34/435,830.40 = 172,585.26/x
  3. Step 3: Cross multiply
    315,824.34x = 435,830.40 × 172,585.26
  4. Step 4: Simplify right side
    315,824.34x = 75,217,902,899.90
  5. Step 5: Solve for x
    x = 75,217,902,899.90/315,824.34
  6. Step 6: Final answer
    x = 238,163.73

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.