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Finding the Fourth Proportional to 269,733, 404,618.94 and 103,521

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Solution

The fourth proportional to 269,733, 404,618.94 and 103,521 is: 155,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,733 : 404,618.94 = 103,521 : x
  2. Step 2: Convert to fraction form
    269,733/404,618.94 = 103,521/x
  3. Step 3: Cross multiply
    269,733x = 404,618.94 × 103,521
  4. Step 4: Simplify right side
    269,733x = 41,886,557,287.74
  5. Step 5: Solve for x
    x = 41,886,557,287.74/269,733
  6. Step 6: Final answer
    x = 155,288.96

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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.