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Finding the Fourth Proportional to 276,775.10, 414,903.45 and 216,770.30

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Solution

The fourth proportional to 276,775.10, 414,903.45 and 216,770.30 is: 324,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,775.10 : 414,903.45 = 216,770.30 : x
  2. Step 2: Convert to fraction form
    276,775.10/414,903.45 = 216,770.30/x
  3. Step 3: Cross multiply
    276,775.10x = 414,903.45 × 216,770.30
  4. Step 4: Simplify right side
    276,775.10x = 89,938,745,327.54
  5. Step 5: Solve for x
    x = 89,938,745,327.54/276,775.10
  6. Step 6: Final answer
    x = 324,952.44

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