Home / 204,260.87-306,391.32-54,501.71

Finding the Fourth Proportional to 204,260.87, 306,391.32 and 54,501.71

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Solution

The fourth proportional to 204,260.87, 306,391.32 and 54,501.71 is: 81,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,260.87 : 306,391.32 = 54,501.71 : x
  2. Step 2: Convert to fraction form
    204,260.87/306,391.32 = 54,501.71/x
  3. Step 3: Cross multiply
    204,260.87x = 306,391.32 × 54,501.71
  4. Step 4: Simplify right side
    204,260.87x = 16,698,849,337.20
  5. Step 5: Solve for x
    x = 16,698,849,337.20/204,260.87
  6. Step 6: Final answer
    x = 81,752.56

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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.