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Finding the Fourth Proportional to 508,174.44, 701,263.10 and 281,841

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Solution

The fourth proportional to 508,174.44, 701,263.10 and 281,841 is: 388,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,174.44 : 701,263.10 = 281,841 : x
  2. Step 2: Convert to fraction form
    508,174.44/701,263.10 = 281,841/x
  3. Step 3: Cross multiply
    508,174.44x = 701,263.10 × 281,841
  4. Step 4: Simplify right side
    508,174.44x = 197,644,691,957.90
  5. Step 5: Solve for x
    x = 197,644,691,957.90/508,174.44
  6. Step 6: Final answer
    x = 388,930.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.