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Finding the Fourth Proportional to 365,648.21, 504,593.09 and 204,502.61

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Solution

The fourth proportional to 365,648.21, 504,593.09 and 204,502.61 is: 282,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,648.21 : 504,593.09 = 204,502.61 : x
  2. Step 2: Convert to fraction form
    365,648.21/504,593.09 = 204,502.61/x
  3. Step 3: Cross multiply
    365,648.21x = 504,593.09 × 204,502.61
  4. Step 4: Simplify right side
    365,648.21x = 103,190,601,881.26
  5. Step 5: Solve for x
    x = 103,190,601,881.26/365,648.21
  6. Step 6: Final answer
    x = 282,212.79

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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.