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Finding the Fourth Proportional to 276,552.92, 381,529.50 and 205,108.76

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Solution

The fourth proportional to 276,552.92, 381,529.50 and 205,108.76 is: 282,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,552.92 : 381,529.50 = 205,108.76 : x
  2. Step 2: Convert to fraction form
    276,552.92/381,529.50 = 205,108.76/x
  3. Step 3: Cross multiply
    276,552.92x = 381,529.50 × 205,108.76
  4. Step 4: Simplify right side
    276,552.92x = 78,255,042,648.42
  5. Step 5: Solve for x
    x = 78,255,042,648.42/276,552.92
  6. Step 6: Final answer
    x = 282,965.89

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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.