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Finding the Fourth Proportional to 269,851, 404,795.94 and 103,639

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Solution

The fourth proportional to 269,851, 404,795.94 and 103,639 is: 155,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,851 : 404,795.94 = 103,639 : x
  2. Step 2: Convert to fraction form
    269,851/404,795.94 = 103,639/x
  3. Step 3: Cross multiply
    269,851x = 404,795.94 × 103,639
  4. Step 4: Simplify right side
    269,851x = 41,952,646,425.66
  5. Step 5: Solve for x
    x = 41,952,646,425.66/269,851
  6. Step 6: Final answer
    x = 155,465.97

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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.