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Finding the Fourth Proportional to 276,676.60, 381,827.91 and 169,212.88

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Solution

The fourth proportional to 276,676.60, 381,827.91 and 169,212.88 is: 233,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,676.60 : 381,827.91 = 169,212.88 : x
  2. Step 2: Convert to fraction form
    276,676.60/381,827.91 = 169,212.88/x
  3. Step 3: Cross multiply
    276,676.60x = 381,827.91 × 169,212.88
  4. Step 4: Simplify right side
    276,676.60x = 64,610,198,406.34
  5. Step 5: Solve for x
    x = 64,610,198,406.34/276,676.60
  6. Step 6: Final answer
    x = 233,522.46

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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.