Home / 276,790.24-381,572.40-197,164

Finding the Fourth Proportional to 276,790.24, 381,572.40 and 197,164

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Solution

The fourth proportional to 276,790.24, 381,572.40 and 197,164 is: 271,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,790.24 : 381,572.40 = 197,164 : x
  2. Step 2: Convert to fraction form
    276,790.24/381,572.40 = 197,164/x
  3. Step 3: Cross multiply
    276,790.24x = 381,572.40 × 197,164
  4. Step 4: Simplify right side
    276,790.24x = 75,232,340,673.60
  5. Step 5: Solve for x
    x = 75,232,340,673.60/276,790.24
  6. Step 6: Final answer
    x = 271,802.72

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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.