Home / 203,928.05-306,000-148,227.86

Finding the Fourth Proportional to 203,928.05, 306,000 and 148,227.86

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Solution

The fourth proportional to 203,928.05, 306,000 and 148,227.86 is: 222,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,928.05 : 306,000 = 148,227.86 : x
  2. Step 2: Convert to fraction form
    203,928.05/306,000 = 148,227.86/x
  3. Step 3: Cross multiply
    203,928.05x = 306,000 × 148,227.86
  4. Step 4: Simplify right side
    203,928.05x = 45,357,725,160.00
  5. Step 5: Solve for x
    x = 45,357,725,160.00/203,928.05
  6. Step 6: Final answer
    x = 222,420.24

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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.