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Finding the Fourth Proportional to 306,081, 458,858.55 and 106,375.44

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Solution

The fourth proportional to 306,081, 458,858.55 and 106,375.44 is: 159,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,081 : 458,858.55 = 106,375.44 : x
  2. Step 2: Convert to fraction form
    306,081/458,858.55 = 106,375.44/x
  3. Step 3: Cross multiply
    306,081x = 458,858.55 × 106,375.44
  4. Step 4: Simplify right side
    306,081x = 48,811,280,154.01
  5. Step 5: Solve for x
    x = 48,811,280,154.01/306,081
  6. Step 6: Final answer
    x = 159,471.77

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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.