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Finding the Fourth Proportional to 317,268, 475,850.94 and 92,575.68

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Solution

The fourth proportional to 317,268, 475,850.94 and 92,575.68 is: 138,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,268 : 475,850.94 = 92,575.68 : x
  2. Step 2: Convert to fraction form
    317,268/475,850.94 = 92,575.68/x
  3. Step 3: Cross multiply
    317,268x = 475,850.94 × 92,575.68
  4. Step 4: Simplify right side
    317,268x = 44,052,224,349.14
  5. Step 5: Solve for x
    x = 44,052,224,349.14/317,268
  6. Step 6: Final answer
    x = 138,848.62

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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.