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Finding the Fourth Proportional to 362,665.92, 500,490.24 and 199,319.46

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Solution

The fourth proportional to 362,665.92, 500,490.24 and 199,319.46 is: 275,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,665.92 : 500,490.24 = 199,319.46 : x
  2. Step 2: Convert to fraction form
    362,665.92/500,490.24 = 199,319.46/x
  3. Step 3: Cross multiply
    362,665.92x = 500,490.24 × 199,319.46
  4. Step 4: Simplify right side
    362,665.92x = 99,757,444,372.07
  5. Step 5: Solve for x
    x = 99,757,444,372.07/362,665.92
  6. Step 6: Final answer
    x = 275,067.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.