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Finding the Fourth Proportional to 356,960.91, 492,601.46 and 203,997.35

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Solution

The fourth proportional to 356,960.91, 492,601.46 and 203,997.35 is: 281,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,960.91 : 492,601.46 = 203,997.35 : x
  2. Step 2: Convert to fraction form
    356,960.91/492,601.46 = 203,997.35/x
  3. Step 3: Cross multiply
    356,960.91x = 492,601.46 × 203,997.35
  4. Step 4: Simplify right side
    356,960.91x = 100,489,388,963.14
  5. Step 5: Solve for x
    x = 100,489,388,963.14/356,960.91
  6. Step 6: Final answer
    x = 281,513.71

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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.