Home / 215,290.28-297,183.26-161,730.66

Finding the Fourth Proportional to 215,290.28, 297,183.26 and 161,730.66

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Solution

The fourth proportional to 215,290.28, 297,183.26 and 161,730.66 is: 223,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,290.28 : 297,183.26 = 161,730.66 : x
  2. Step 2: Convert to fraction form
    215,290.28/297,183.26 = 161,730.66/x
  3. Step 3: Cross multiply
    215,290.28x = 297,183.26 × 161,730.66
  4. Step 4: Simplify right side
    215,290.28x = 48,063,644,780.75
  5. Step 5: Solve for x
    x = 48,063,644,780.75/215,290.28
  6. Step 6: Final answer
    x = 223,250.42

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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.