Home / 209,229.70-288,855.66-160,078.93

Finding the Fourth Proportional to 209,229.70, 288,855.66 and 160,078.93

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Solution

The fourth proportional to 209,229.70, 288,855.66 and 160,078.93 is: 220,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,229.70 : 288,855.66 = 160,078.93 : x
  2. Step 2: Convert to fraction form
    209,229.70/288,855.66 = 160,078.93/x
  3. Step 3: Cross multiply
    209,229.70x = 288,855.66 × 160,078.93
  4. Step 4: Simplify right side
    209,229.70x = 46,239,704,977.24
  5. Step 5: Solve for x
    x = 46,239,704,977.24/209,229.70
  6. Step 6: Final answer
    x = 220,999.72

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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.