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Finding the Fourth Proportional to 269,531.70, 404,103.15 and 176,090.10

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Solution

The fourth proportional to 269,531.70, 404,103.15 and 176,090.10 is: 264,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,531.70 : 404,103.15 = 176,090.10 : x
  2. Step 2: Convert to fraction form
    269,531.70/404,103.15 = 176,090.10/x
  3. Step 3: Cross multiply
    269,531.70x = 404,103.15 × 176,090.10
  4. Step 4: Simplify right side
    269,531.70x = 71,158,564,093.82
  5. Step 5: Solve for x
    x = 71,158,564,093.82/269,531.70
  6. Step 6: Final answer
    x = 264,008.14

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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.