Home / 204,331.85-306,524.54-67,509.50

Finding the Fourth Proportional to 204,331.85, 306,524.54 and 67,509.50

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Solution

The fourth proportional to 204,331.85, 306,524.54 and 67,509.50 is: 101,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,331.85 : 306,524.54 = 67,509.50 : x
  2. Step 2: Convert to fraction form
    204,331.85/306,524.54 = 67,509.50/x
  3. Step 3: Cross multiply
    204,331.85x = 306,524.54 × 67,509.50
  4. Step 4: Simplify right side
    204,331.85x = 20,693,317,069.28
  5. Step 5: Solve for x
    x = 20,693,317,069.28/204,331.85
  6. Step 6: Final answer
    x = 101,273.09

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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.