Home / 204,428.60-306,621.32-54,684

Finding the Fourth Proportional to 204,428.60, 306,621.32 and 54,684

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Solution

The fourth proportional to 204,428.60, 306,621.32 and 54,684 is: 82,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,428.60 : 306,621.32 = 54,684 : x
  2. Step 2: Convert to fraction form
    204,428.60/306,621.32 = 54,684/x
  3. Step 3: Cross multiply
    204,428.60x = 306,621.32 × 54,684
  4. Step 4: Simplify right side
    204,428.60x = 16,767,280,399.59
  5. Step 5: Solve for x
    x = 16,767,280,399.59/204,428.60
  6. Step 6: Final answer
    x = 82,020.23

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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.