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Finding the Fourth Proportional to 269,682, 404,587.80 and 103,470

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Solution

The fourth proportional to 269,682, 404,587.80 and 103,470 is: 155,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,682 : 404,587.80 = 103,470 : x
  2. Step 2: Convert to fraction form
    269,682/404,587.80 = 103,470/x
  3. Step 3: Cross multiply
    269,682x = 404,587.80 × 103,470
  4. Step 4: Simplify right side
    269,682x = 41,862,699,666
  5. Step 5: Solve for x
    x = 41,862,699,666/269,682
  6. Step 6: Final answer
    x = 155,229.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.