Home / 276,456.96-380,977.92-200,885.76

Finding the Fourth Proportional to 276,456.96, 380,977.92 and 200,885.76

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Solution

The fourth proportional to 276,456.96, 380,977.92 and 200,885.76 is: 276,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,456.96 : 380,977.92 = 200,885.76 : x
  2. Step 2: Convert to fraction form
    276,456.96/380,977.92 = 200,885.76/x
  3. Step 3: Cross multiply
    276,456.96x = 380,977.92 × 200,885.76
  4. Step 4: Simplify right side
    276,456.96x = 76,533,039,002.42
  5. Step 5: Solve for x
    x = 76,533,039,002.42/276,456.96
  6. Step 6: Final answer
    x = 276,835.28

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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.