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Finding the Fourth Proportional to 293,560.80, 440,049.60 and 135,513.60

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Solution

The fourth proportional to 293,560.80, 440,049.60 and 135,513.60 is: 203,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,560.80 : 440,049.60 = 135,513.60 : x
  2. Step 2: Convert to fraction form
    293,560.80/440,049.60 = 135,513.60/x
  3. Step 3: Cross multiply
    293,560.80x = 440,049.60 × 135,513.60
  4. Step 4: Simplify right side
    293,560.80x = 59,632,705,474.56
  5. Step 5: Solve for x
    x = 59,632,705,474.56/293,560.80
  6. Step 6: Final answer
    x = 203,135.79

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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.