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Finding the Fourth Proportional to 377,729.91, 521,270.42 and 205,649.06

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Solution

The fourth proportional to 377,729.91, 521,270.42 and 205,649.06 is: 283,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,729.91 : 521,270.42 = 205,649.06 : x
  2. Step 2: Convert to fraction form
    377,729.91/521,270.42 = 205,649.06/x
  3. Step 3: Cross multiply
    377,729.91x = 521,270.42 × 205,649.06
  4. Step 4: Simplify right side
    377,729.91x = 107,198,768,244.21
  5. Step 5: Solve for x
    x = 107,198,768,244.21/377,729.91
  6. Step 6: Final answer
    x = 283,797.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.