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Finding the Fourth Proportional to 449,595.15, 673,811.37 and 336,387.15

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Solution

The fourth proportional to 449,595.15, 673,811.37 and 336,387.15 is: 504,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,595.15 : 673,811.37 = 336,387.15 : x
  2. Step 2: Convert to fraction form
    449,595.15/673,811.37 = 336,387.15/x
  3. Step 3: Cross multiply
    449,595.15x = 673,811.37 × 336,387.15
  4. Step 4: Simplify right side
    449,595.15x = 226,661,486,391.90
  5. Step 5: Solve for x
    x = 226,661,486,391.90/449,595.15
  6. Step 6: Final answer
    x = 504,145.76

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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.