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Finding the Fourth Proportional to 221,791.48, 332,091.06 and 168,949.24

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Solution

The fourth proportional to 221,791.48, 332,091.06 and 168,949.24 is: 252,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,791.48 : 332,091.06 = 168,949.24 : x
  2. Step 2: Convert to fraction form
    221,791.48/332,091.06 = 168,949.24/x
  3. Step 3: Cross multiply
    221,791.48x = 332,091.06 × 168,949.24
  4. Step 4: Simplify right side
    221,791.48x = 56,106,532,197.79
  5. Step 5: Solve for x
    x = 56,106,532,197.79/221,791.48
  6. Step 6: Final answer
    x = 252,969.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.