Home / 420,199.26-579,879.17-229,216.65

Finding the Fourth Proportional to 420,199.26, 579,879.17 and 229,216.65

Calculator

Solution

The fourth proportional to 420,199.26, 579,879.17 and 229,216.65 is: 316,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,199.26 : 579,879.17 = 229,216.65 : x
  2. Step 2: Convert to fraction form
    420,199.26/579,879.17 = 229,216.65/x
  3. Step 3: Cross multiply
    420,199.26x = 579,879.17 × 229,216.65
  4. Step 4: Simplify right side
    420,199.26x = 132,917,960,752.18
  5. Step 5: Solve for x
    x = 132,917,960,752.18/420,199.26
  6. Step 6: Final answer
    x = 316,321.26

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.