Home / 204,429.60-306,622.82-54,685

Finding the Fourth Proportional to 204,429.60, 306,622.82 and 54,685

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Solution

The fourth proportional to 204,429.60, 306,622.82 and 54,685 is: 82,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,429.60 : 306,622.82 = 54,685 : x
  2. Step 2: Convert to fraction form
    204,429.60/306,622.82 = 54,685/x
  3. Step 3: Cross multiply
    204,429.60x = 306,622.82 × 54,685
  4. Step 4: Simplify right side
    204,429.60x = 16,767,668,911.70
  5. Step 5: Solve for x
    x = 16,767,668,911.70/204,429.60
  6. Step 6: Final answer
    x = 82,021.73

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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.