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Finding the Fourth Proportional to 293,960.14, 440,939.24 and 80,728.25

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Solution

The fourth proportional to 293,960.14, 440,939.24 and 80,728.25 is: 121,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,960.14 : 440,939.24 = 80,728.25 : x
  2. Step 2: Convert to fraction form
    293,960.14/440,939.24 = 80,728.25/x
  3. Step 3: Cross multiply
    293,960.14x = 440,939.24 × 80,728.25
  4. Step 4: Simplify right side
    293,960.14x = 35,596,251,350.02
  5. Step 5: Solve for x
    x = 35,596,251,350.02/293,960.14
  6. Step 6: Final answer
    x = 121,092.10

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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.