Home / 204,028.40-306,018.24-54,279.68

Finding the Fourth Proportional to 204,028.40, 306,018.24 and 54,279.68

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Solution

The fourth proportional to 204,028.40, 306,018.24 and 54,279.68 is: 81,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,028.40 : 306,018.24 = 54,279.68 : x
  2. Step 2: Convert to fraction form
    204,028.40/306,018.24 = 54,279.68/x
  3. Step 3: Cross multiply
    204,028.40x = 306,018.24 × 54,279.68
  4. Step 4: Simplify right side
    204,028.40x = 16,610,572,141.36
  5. Step 5: Solve for x
    x = 16,610,572,141.36/204,028.40
  6. Step 6: Final answer
    x = 81,413.04

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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.