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Finding the Fourth Proportional to 275,296.62, 380,072.21 and 173,409.41

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Solution

The fourth proportional to 275,296.62, 380,072.21 and 173,409.41 is: 239,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,296.62 : 380,072.21 = 173,409.41 : x
  2. Step 2: Convert to fraction form
    275,296.62/380,072.21 = 173,409.41/x
  3. Step 3: Cross multiply
    275,296.62x = 380,072.21 × 173,409.41
  4. Step 4: Simplify right side
    275,296.62x = 65,908,098,714.47
  5. Step 5: Solve for x
    x = 65,908,098,714.47/275,296.62
  6. Step 6: Final answer
    x = 239,407.59

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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.