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Finding the Fourth Proportional to 273,436.63, 377,421.77 and 158,741.04

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Solution

The fourth proportional to 273,436.63, 377,421.77 and 158,741.04 is: 219,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,436.63 : 377,421.77 = 158,741.04 : x
  2. Step 2: Convert to fraction form
    273,436.63/377,421.77 = 158,741.04/x
  3. Step 3: Cross multiply
    273,436.63x = 377,421.77 × 158,741.04
  4. Step 4: Simplify right side
    273,436.63x = 59,912,324,288.44
  5. Step 5: Solve for x
    x = 59,912,324,288.44/273,436.63
  6. Step 6: Final answer
    x = 219,108.63

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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.