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Finding the Fourth Proportional to 293,601.60, 440,402.40 and 199,123.20

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Solution

The fourth proportional to 293,601.60, 440,402.40 and 199,123.20 is: 298,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,601.60 : 440,402.40 = 199,123.20 : x
  2. Step 2: Convert to fraction form
    293,601.60/440,402.40 = 199,123.20/x
  3. Step 3: Cross multiply
    293,601.60x = 440,402.40 × 199,123.20
  4. Step 4: Simplify right side
    293,601.60x = 87,694,335,175.68
  5. Step 5: Solve for x
    x = 87,694,335,175.68/293,601.60
  6. Step 6: Final answer
    x = 298,684.80

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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.