Home / 276,836.24-381,635.88-197,210

Finding the Fourth Proportional to 276,836.24, 381,635.88 and 197,210

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Solution

The fourth proportional to 276,836.24, 381,635.88 and 197,210 is: 271,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,836.24 : 381,635.88 = 197,210 : x
  2. Step 2: Convert to fraction form
    276,836.24/381,635.88 = 197,210/x
  3. Step 3: Cross multiply
    276,836.24x = 381,635.88 × 197,210
  4. Step 4: Simplify right side
    276,836.24x = 75,262,411,894.80
  5. Step 5: Solve for x
    x = 75,262,411,894.80/276,836.24
  6. Step 6: Final answer
    x = 271,866.18

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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.