Home / 276,835.24-381,634.50-197,209

Finding the Fourth Proportional to 276,835.24, 381,634.50 and 197,209

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Solution

The fourth proportional to 276,835.24, 381,634.50 and 197,209 is: 271,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,835.24 : 381,634.50 = 197,209 : x
  2. Step 2: Convert to fraction form
    276,835.24/381,634.50 = 197,209/x
  3. Step 3: Cross multiply
    276,835.24x = 381,634.50 × 197,209
  4. Step 4: Simplify right side
    276,835.24x = 75,261,758,110.50
  5. Step 5: Solve for x
    x = 75,261,758,110.50/276,835.24
  6. Step 6: Final answer
    x = 271,864.80

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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.