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Finding the Fourth Proportional to 273,556.62, 377,506.70 and 158,863.47

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Solution

The fourth proportional to 273,556.62, 377,506.70 and 158,863.47 is: 219,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,556.62 : 377,506.70 = 158,863.47 : x
  2. Step 2: Convert to fraction form
    273,556.62/377,506.70 = 158,863.47/x
  3. Step 3: Cross multiply
    273,556.62x = 377,506.70 × 158,863.47
  4. Step 4: Simplify right side
    273,556.62x = 59,972,022,100.28
  5. Step 5: Solve for x
    x = 59,972,022,100.28/273,556.62
  6. Step 6: Final answer
    x = 219,230.75

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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.