Home / 215,928.54-298,002.42-161,385.84

Finding the Fourth Proportional to 215,928.54, 298,002.42 and 161,385.84

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Solution

The fourth proportional to 215,928.54, 298,002.42 and 161,385.84 is: 222,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,928.54 : 298,002.42 = 161,385.84 : x
  2. Step 2: Convert to fraction form
    215,928.54/298,002.42 = 161,385.84/x
  3. Step 3: Cross multiply
    215,928.54x = 298,002.42 × 161,385.84
  4. Step 4: Simplify right side
    215,928.54x = 48,093,370,873.73
  5. Step 5: Solve for x
    x = 48,093,370,873.73/215,928.54
  6. Step 6: Final answer
    x = 222,728.18

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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.