Home / 220,629.40-330,944.30-154,199.27

Finding the Fourth Proportional to 220,629.40, 330,944.30 and 154,199.27

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Solution

The fourth proportional to 220,629.40, 330,944.30 and 154,199.27 is: 231,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,629.40 : 330,944.30 = 154,199.27 : x
  2. Step 2: Convert to fraction form
    220,629.40/330,944.30 = 154,199.27/x
  3. Step 3: Cross multiply
    220,629.40x = 330,944.30 × 154,199.27
  4. Step 4: Simplify right side
    220,629.40x = 51,031,370,105.27
  5. Step 5: Solve for x
    x = 51,031,370,105.27/220,629.40
  6. Step 6: Final answer
    x = 231,299.05

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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.