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Finding the Fourth Proportional to 447,266, 617,227.08 and 246,057.68

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Solution

The fourth proportional to 447,266, 617,227.08 and 246,057.68 is: 339,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,266 : 617,227.08 = 246,057.68 : x
  2. Step 2: Convert to fraction form
    447,266/617,227.08 = 246,057.68/x
  3. Step 3: Cross multiply
    447,266x = 617,227.08 × 246,057.68
  4. Step 4: Simplify right side
    447,266x = 151,873,463,337.97
  5. Step 5: Solve for x
    x = 151,873,463,337.97/447,266
  6. Step 6: Final answer
    x = 339,559.60

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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.