Home / 543,861.54-815,582.52-206,724.96

Finding the Fourth Proportional to 543,861.54, 815,582.52 and 206,724.96

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Solution

The fourth proportional to 543,861.54, 815,582.52 and 206,724.96 is: 310,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,861.54 : 815,582.52 = 206,724.96 : x
  2. Step 2: Convert to fraction form
    543,861.54/815,582.52 = 206,724.96/x
  3. Step 3: Cross multiply
    543,861.54x = 815,582.52 × 206,724.96
  4. Step 4: Simplify right side
    543,861.54x = 168,601,263,823.70
  5. Step 5: Solve for x
    x = 168,601,263,823.70/543,861.54
  6. Step 6: Final answer
    x = 310,007.70

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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.