Home / 276,787.46-381,994.90-169,428.44

Finding the Fourth Proportional to 276,787.46, 381,994.90 and 169,428.44

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Solution

The fourth proportional to 276,787.46, 381,994.90 and 169,428.44 is: 233,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,787.46 : 381,994.90 = 169,428.44 : x
  2. Step 2: Convert to fraction form
    276,787.46/381,994.90 = 169,428.44/x
  3. Step 3: Cross multiply
    276,787.46x = 381,994.90 × 169,428.44
  4. Step 4: Simplify right side
    276,787.46x = 64,720,800,526.37
  5. Step 5: Solve for x
    x = 64,720,800,526.37/276,787.46
  6. Step 6: Final answer
    x = 233,828.51

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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.