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Finding the Fourth Proportional to 276,777.10, 414,906.45 and 216,772.30

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Solution

The fourth proportional to 276,777.10, 414,906.45 and 216,772.30 is: 324,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,777.10 : 414,906.45 = 216,772.30 : x
  2. Step 2: Convert to fraction form
    276,777.10/414,906.45 = 216,772.30/x
  3. Step 3: Cross multiply
    276,777.10x = 414,906.45 × 216,772.30
  4. Step 4: Simplify right side
    276,777.10x = 89,940,225,451.34
  5. Step 5: Solve for x
    x = 89,940,225,451.34/276,777.10
  6. Step 6: Final answer
    x = 324,955.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.