Home / 857,269.20-1,285,957.32-226,183.68

Finding the Fourth Proportional to 857,269.20, 1,285,957.32 and 226,183.68

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Solution

The fourth proportional to 857,269.20, 1,285,957.32 and 226,183.68 is: 339,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,269.20 : 1,285,957.32 = 226,183.68 : x
  2. Step 2: Convert to fraction form
    857,269.20/1,285,957.32 = 226,183.68/x
  3. Step 3: Cross multiply
    857,269.20x = 1,285,957.32 × 226,183.68
  4. Step 4: Simplify right side
    857,269.20x = 290,862,558,960.54
  5. Step 5: Solve for x
    x = 290,862,558,960.54/857,269.20
  6. Step 6: Final answer
    x = 339,289.64

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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.