Home / 396,387.21-594,671.64-171,785.37

Finding the Fourth Proportional to 396,387.21, 594,671.64 and 171,785.37

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Solution

The fourth proportional to 396,387.21, 594,671.64 and 171,785.37 is: 257,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,387.21 : 594,671.64 = 171,785.37 : x
  2. Step 2: Convert to fraction form
    396,387.21/594,671.64 = 171,785.37/x
  3. Step 3: Cross multiply
    396,387.21x = 594,671.64 × 171,785.37
  4. Step 4: Simplify right side
    396,387.21x = 102,155,887,705.91
  5. Step 5: Solve for x
    x = 102,155,887,705.91/396,387.21
  6. Step 6: Final answer
    x = 257,717.42

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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.