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Finding the Fourth Proportional to 273,473.30, 377,383.31 and 171,553.63

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Solution

The fourth proportional to 273,473.30, 377,383.31 and 171,553.63 is: 236,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,473.30 : 377,383.31 = 171,553.63 : x
  2. Step 2: Convert to fraction form
    273,473.30/377,383.31 = 171,553.63/x
  3. Step 3: Cross multiply
    273,473.30x = 377,383.31 × 171,553.63
  4. Step 4: Simplify right side
    273,473.30x = 64,741,476,731.92
  5. Step 5: Solve for x
    x = 64,741,476,731.92/273,473.30
  6. Step 6: Final answer
    x = 236,737.83

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1.5x scale

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.