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Finding the Fourth Proportional to 447,243.46, 617,207.24 and 243,305.84

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Solution

The fourth proportional to 447,243.46, 617,207.24 and 243,305.84 is: 335,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,243.46 : 617,207.24 = 243,305.84 : x
  2. Step 2: Convert to fraction form
    447,243.46/617,207.24 = 243,305.84/x
  3. Step 3: Cross multiply
    447,243.46x = 617,207.24 × 243,305.84
  4. Step 4: Simplify right side
    447,243.46x = 150,170,125,982.28
  5. Step 5: Solve for x
    x = 150,170,125,982.28/447,243.46
  6. Step 6: Final answer
    x = 335,768.19

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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.