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Finding the Fourth Proportional to 319,496.32, 440,709.55 and 204,736.33

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Solution

The fourth proportional to 319,496.32, 440,709.55 and 204,736.33 is: 282,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,496.32 : 440,709.55 = 204,736.33 : x
  2. Step 2: Convert to fraction form
    319,496.32/440,709.55 = 204,736.33/x
  3. Step 3: Cross multiply
    319,496.32x = 440,709.55 × 204,736.33
  4. Step 4: Simplify right side
    319,496.32x = 90,229,255,862.95
  5. Step 5: Solve for x
    x = 90,229,255,862.95/319,496.32
  6. Step 6: Final answer
    x = 282,410.94

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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.