Home / 431,036.10-646,554.15-115,524.90

Finding the Fourth Proportional to 431,036.10, 646,554.15 and 115,524.90

Calculator

Solution

The fourth proportional to 431,036.10, 646,554.15 and 115,524.90 is: 173,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,036.10 : 646,554.15 = 115,524.90 : x
  2. Step 2: Convert to fraction form
    431,036.10/646,554.15 = 115,524.90/x
  3. Step 3: Cross multiply
    431,036.10x = 646,554.15 × 115,524.90
  4. Step 4: Simplify right side
    431,036.10x = 74,693,103,523.34
  5. Step 5: Solve for x
    x = 74,693,103,523.34/431,036.10
  6. Step 6: Final answer
    x = 173,287.35

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.