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Finding the Fourth Proportional to 276,657.98, 381,964.58 and 225,792.22

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Solution

The fourth proportional to 276,657.98, 381,964.58 and 225,792.22 is: 311,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,657.98 : 381,964.58 = 225,792.22 : x
  2. Step 2: Convert to fraction form
    276,657.98/381,964.58 = 225,792.22/x
  3. Step 3: Cross multiply
    276,657.98x = 381,964.58 × 225,792.22
  4. Step 4: Simplify right side
    276,657.98x = 86,244,630,479.57
  5. Step 5: Solve for x
    x = 86,244,630,479.57/276,657.98
  6. Step 6: Final answer
    x = 311,737.37

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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.