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Finding the Fourth Proportional to 201,027.40, 301,103.70 and 122,003.80

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Solution

The fourth proportional to 201,027.40, 301,103.70 and 122,003.80 is: 182,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,027.40 : 301,103.70 = 122,003.80 : x
  2. Step 2: Convert to fraction form
    201,027.40/301,103.70 = 122,003.80/x
  3. Step 3: Cross multiply
    201,027.40x = 301,103.70 × 122,003.80
  4. Step 4: Simplify right side
    201,027.40x = 36,735,795,594.06
  5. Step 5: Solve for x
    x = 36,735,795,594.06/201,027.40
  6. Step 6: Final answer
    x = 182,740.24

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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.