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Finding the Fourth Proportional to 447,480.87, 671,199.44 and 166,976.25

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Solution

The fourth proportional to 447,480.87, 671,199.44 and 166,976.25 is: 250,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,480.87 : 671,199.44 = 166,976.25 : x
  2. Step 2: Convert to fraction form
    447,480.87/671,199.44 = 166,976.25/x
  3. Step 3: Cross multiply
    447,480.87x = 671,199.44 × 166,976.25
  4. Step 4: Simplify right side
    447,480.87x = 112,074,364,658.42
  5. Step 5: Solve for x
    x = 112,074,364,658.42/447,480.87
  6. Step 6: Final answer
    x = 250,456.21

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1.5x scale

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.