Home / 203,890.60-305,231.10-151,532.20

Finding the Fourth Proportional to 203,890.60, 305,231.10 and 151,532.20

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Solution

The fourth proportional to 203,890.60, 305,231.10 and 151,532.20 is: 226,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,890.60 : 305,231.10 = 151,532.20 : x
  2. Step 2: Convert to fraction form
    203,890.60/305,231.10 = 151,532.20/x
  3. Step 3: Cross multiply
    203,890.60x = 305,231.10 × 151,532.20
  4. Step 4: Simplify right side
    203,890.60x = 46,252,340,091.42
  5. Step 5: Solve for x
    x = 46,252,340,091.42/203,890.60
  6. Step 6: Final answer
    x = 226,848.81

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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.