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Finding the Fourth Proportional to 449,202.79, 672,729.98 and 259,086.80

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Solution

The fourth proportional to 449,202.79, 672,729.98 and 259,086.80 is: 388,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,202.79 : 672,729.98 = 259,086.80 : x
  2. Step 2: Convert to fraction form
    449,202.79/672,729.98 = 259,086.80/x
  3. Step 3: Cross multiply
    449,202.79x = 672,729.98 × 259,086.80
  4. Step 4: Simplify right side
    449,202.79x = 174,295,455,841.91
  5. Step 5: Solve for x
    x = 174,295,455,841.91/449,202.79
  6. Step 6: Final answer
    x = 388,010.63

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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.