Home / 204,392.28-306,477.24-71,236.80

Finding the Fourth Proportional to 204,392.28, 306,477.24 and 71,236.80

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Solution

The fourth proportional to 204,392.28, 306,477.24 and 71,236.80 is: 106,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,392.28 : 306,477.24 = 71,236.80 : x
  2. Step 2: Convert to fraction form
    204,392.28/306,477.24 = 71,236.80/x
  3. Step 3: Cross multiply
    204,392.28x = 306,477.24 × 71,236.80
  4. Step 4: Simplify right side
    204,392.28x = 21,832,457,850.43
  5. Step 5: Solve for x
    x = 21,832,457,850.43/204,392.28
  6. Step 6: Final answer
    x = 106,816.45

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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.