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Finding the Fourth Proportional to 275,265.53, 379,894.43 and 162,124.73

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Solution

The fourth proportional to 275,265.53, 379,894.43 and 162,124.73 is: 223,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,265.53 : 379,894.43 = 162,124.73 : x
  2. Step 2: Convert to fraction form
    275,265.53/379,894.43 = 162,124.73/x
  3. Step 3: Cross multiply
    275,265.53x = 379,894.43 × 162,124.73
  4. Step 4: Simplify right side
    275,265.53x = 61,590,281,081.63
  5. Step 5: Solve for x
    x = 61,590,281,081.63/275,265.53
  6. Step 6: Final answer
    x = 223,748.61

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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.