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Finding the Fourth Proportional to 269,662.82, 404,389.15 and 101,091.20

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Solution

The fourth proportional to 269,662.82, 404,389.15 and 101,091.20 is: 151,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,662.82 : 404,389.15 = 101,091.20 : x
  2. Step 2: Convert to fraction form
    269,662.82/404,389.15 = 101,091.20/x
  3. Step 3: Cross multiply
    269,662.82x = 404,389.15 × 101,091.20
  4. Step 4: Simplify right side
    269,662.82x = 40,880,182,165.81
  5. Step 5: Solve for x
    x = 40,880,182,165.81/269,662.82
  6. Step 6: Final answer
    x = 151,597.40

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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.