Home / 203,824.80-306,028.80-144,921.60

Finding the Fourth Proportional to 203,824.80, 306,028.80 and 144,921.60

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Solution

The fourth proportional to 203,824.80, 306,028.80 and 144,921.60 is: 217,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,824.80 : 306,028.80 = 144,921.60 : x
  2. Step 2: Convert to fraction form
    203,824.80/306,028.80 = 144,921.60/x
  3. Step 3: Cross multiply
    203,824.80x = 306,028.80 × 144,921.60
  4. Step 4: Simplify right side
    203,824.80x = 44,350,183,342.08
  5. Step 5: Solve for x
    x = 44,350,183,342.08/203,824.80
  6. Step 6: Final answer
    x = 217,589.73

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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.