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Finding the Fourth Proportional to 447,268, 617,229.84 and 246,059.68

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Solution

The fourth proportional to 447,268, 617,229.84 and 246,059.68 is: 339,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,268 : 617,229.84 = 246,059.68 : x
  2. Step 2: Convert to fraction form
    447,268/617,229.84 = 246,059.68/x
  3. Step 3: Cross multiply
    447,268x = 617,229.84 × 246,059.68
  4. Step 4: Simplify right side
    447,268x = 151,875,376,916.85
  5. Step 5: Solve for x
    x = 151,875,376,916.85/447,268
  6. Step 6: Final answer
    x = 339,562.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.