Home / 209,229.20-288,854.97-160,078.43

Finding the Fourth Proportional to 209,229.20, 288,854.97 and 160,078.43

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Solution

The fourth proportional to 209,229.20, 288,854.97 and 160,078.43 is: 220,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,229.20 : 288,854.97 = 160,078.43 : x
  2. Step 2: Convert to fraction form
    209,229.20/288,854.97 = 160,078.43/x
  3. Step 3: Cross multiply
    209,229.20x = 288,854.97 × 160,078.43
  4. Step 4: Simplify right side
    209,229.20x = 46,239,450,095.30
  5. Step 5: Solve for x
    x = 46,239,450,095.30/209,229.20
  6. Step 6: Final answer
    x = 220,999.03

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1.5x scale

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.