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Finding the Fourth Proportional to 201,277.05, 301,965.01 and 100,122.83

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Solution

The fourth proportional to 201,277.05, 301,965.01 and 100,122.83 is: 150,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,277.05 : 301,965.01 = 100,122.83 : x
  2. Step 2: Convert to fraction form
    201,277.05/301,965.01 = 100,122.83/x
  3. Step 3: Cross multiply
    201,277.05x = 301,965.01 × 100,122.83
  4. Step 4: Simplify right side
    201,277.05x = 30,233,592,996.16
  5. Step 5: Solve for x
    x = 30,233,592,996.16/201,277.05
  6. Step 6: Final answer
    x = 150,208.84

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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.