Home / 221,052.24-305,052.48-120,450.24

Finding the Fourth Proportional to 221,052.24, 305,052.48 and 120,450.24

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Solution

The fourth proportional to 221,052.24, 305,052.48 and 120,450.24 is: 166,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,052.24 : 305,052.48 = 120,450.24 : x
  2. Step 2: Convert to fraction form
    221,052.24/305,052.48 = 120,450.24/x
  3. Step 3: Cross multiply
    221,052.24x = 305,052.48 × 120,450.24
  4. Step 4: Simplify right side
    221,052.24x = 36,743,644,428.60
  5. Step 5: Solve for x
    x = 36,743,644,428.60/221,052.24
  6. Step 6: Final answer
    x = 166,221.54

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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.