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Finding the Fourth Proportional to 201,233.56, 301,910.64 and 81,228.73

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Solution

The fourth proportional to 201,233.56, 301,910.64 and 81,228.73 is: 121,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,233.56 : 301,910.64 = 81,228.73 : x
  2. Step 2: Convert to fraction form
    201,233.56/301,910.64 = 81,228.73/x
  3. Step 3: Cross multiply
    201,233.56x = 301,910.64 × 81,228.73
  4. Step 4: Simplify right side
    201,233.56x = 24,523,817,860.69
  5. Step 5: Solve for x
    x = 24,523,817,860.69/201,233.56
  6. Step 6: Final answer
    x = 121,867.44

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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.