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Finding the Fourth Proportional to 276,522.89, 414,849.96 and 89,534.39

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Solution

The fourth proportional to 276,522.89, 414,849.96 and 89,534.39 is: 134,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,522.89 : 414,849.96 = 89,534.39 : x
  2. Step 2: Convert to fraction form
    276,522.89/414,849.96 = 89,534.39/x
  3. Step 3: Cross multiply
    276,522.89x = 414,849.96 × 89,534.39
  4. Step 4: Simplify right side
    276,522.89x = 37,143,336,035.87
  5. Step 5: Solve for x
    x = 37,143,336,035.87/276,522.89
  6. Step 6: Final answer
    x = 134,322.83

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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.