Home / 204,190.21-306,299.91-54,429.73

Finding the Fourth Proportional to 204,190.21, 306,299.91 and 54,429.73

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Solution

The fourth proportional to 204,190.21, 306,299.91 and 54,429.73 is: 81,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,190.21 : 306,299.91 = 54,429.73 : x
  2. Step 2: Convert to fraction form
    204,190.21/306,299.91 = 54,429.73/x
  3. Step 3: Cross multiply
    204,190.21x = 306,299.91 × 54,429.73
  4. Step 4: Simplify right side
    204,190.21x = 16,671,821,400.32
  5. Step 5: Solve for x
    x = 16,671,821,400.32/204,190.21
  6. Step 6: Final answer
    x = 81,648.49

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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.