Home / 276,826.24-381,622.08-197,200

Finding the Fourth Proportional to 276,826.24, 381,622.08 and 197,200

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Solution

The fourth proportional to 276,826.24, 381,622.08 and 197,200 is: 271,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,826.24 : 381,622.08 = 197,200 : x
  2. Step 2: Convert to fraction form
    276,826.24/381,622.08 = 197,200/x
  3. Step 3: Cross multiply
    276,826.24x = 381,622.08 × 197,200
  4. Step 4: Simplify right side
    276,826.24x = 75,255,874,176
  5. Step 5: Solve for x
    x = 75,255,874,176/276,826.24
  6. Step 6: Final answer
    x = 271,852.39

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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.