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Finding the Fourth Proportional to 269,552.10, 404,328.15 and 228,080.10

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Solution

The fourth proportional to 269,552.10, 404,328.15 and 228,080.10 is: 342,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,552.10 : 404,328.15 = 228,080.10 : x
  2. Step 2: Convert to fraction form
    269,552.10/404,328.15 = 228,080.10/x
  3. Step 3: Cross multiply
    269,552.10x = 404,328.15 × 228,080.10
  4. Step 4: Simplify right side
    269,552.10x = 92,219,204,884.82
  5. Step 5: Solve for x
    x = 92,219,204,884.82/269,552.10
  6. Step 6: Final answer
    x = 342,120.15

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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.