Home / 315,942.36-436,001.03-172,703.43

Finding the Fourth Proportional to 315,942.36, 436,001.03 and 172,703.43

Calculator

Solution

The fourth proportional to 315,942.36, 436,001.03 and 172,703.43 is: 238,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,942.36 : 436,001.03 = 172,703.43 : x
  2. Step 2: Convert to fraction form
    315,942.36/436,001.03 = 172,703.43/x
  3. Step 3: Cross multiply
    315,942.36x = 436,001.03 × 172,703.43
  4. Step 4: Simplify right side
    315,942.36x = 75,298,872,501.02
  5. Step 5: Solve for x
    x = 75,298,872,501.02/315,942.36
  6. Step 6: Final answer
    x = 238,331.04

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.