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Finding the Fourth Proportional to 447,351.88, 617,142.15 and 265,960.90

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Solution

The fourth proportional to 447,351.88, 617,142.15 and 265,960.90 is: 366,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,351.88 : 617,142.15 = 265,960.90 : x
  2. Step 2: Convert to fraction form
    447,351.88/617,142.15 = 265,960.90/x
  3. Step 3: Cross multiply
    447,351.88x = 617,142.15 × 265,960.90
  4. Step 4: Simplify right side
    447,351.88x = 164,135,681,641.94
  5. Step 5: Solve for x
    x = 164,135,681,641.94/447,351.88
  6. Step 6: Final answer
    x = 366,905.09

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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.