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Finding the Fourth Proportional to 271,011.36, 404,583.61 and 253,001.37

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Solution

The fourth proportional to 271,011.36, 404,583.61 and 253,001.37 is: 377,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,011.36 : 404,583.61 = 253,001.37 : x
  2. Step 2: Convert to fraction form
    271,011.36/404,583.61 = 253,001.37/x
  3. Step 3: Cross multiply
    271,011.36x = 404,583.61 × 253,001.37
  4. Step 4: Simplify right side
    271,011.36x = 102,360,207,609.55
  5. Step 5: Solve for x
    x = 102,360,207,609.55/271,011.36
  6. Step 6: Final answer
    x = 377,697.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.