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Finding the Fourth Proportional to 338,183.60, 507,617.24 and 299,965.73

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Solution

The fourth proportional to 338,183.60, 507,617.24 and 299,965.73 is: 450,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,183.60 : 507,617.24 = 299,965.73 : x
  2. Step 2: Convert to fraction form
    338,183.60/507,617.24 = 299,965.73/x
  3. Step 3: Cross multiply
    338,183.60x = 507,617.24 × 299,965.73
  4. Step 4: Simplify right side
    338,183.60x = 152,267,771,919.27
  5. Step 5: Solve for x
    x = 152,267,771,919.27/338,183.60
  6. Step 6: Final answer
    x = 450,251.80

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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.