Home / 320,976.91-442,948.03-177,736.92

Finding the Fourth Proportional to 320,976.91, 442,948.03 and 177,736.92

Calculator

Solution

The fourth proportional to 320,976.91, 442,948.03 and 177,736.92 is: 245,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,976.91 : 442,948.03 = 177,736.92 : x
  2. Step 2: Convert to fraction form
    320,976.91/442,948.03 = 177,736.92/x
  3. Step 3: Cross multiply
    320,976.91x = 442,948.03 × 177,736.92
  4. Step 4: Simplify right side
    320,976.91x = 78,728,218,572.27
  5. Step 5: Solve for x
    x = 78,728,218,572.27/320,976.91
  6. Step 6: Final answer
    x = 245,276.89

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.