Home / 331,480.40-497,654.22-196,790.36

Finding the Fourth Proportional to 331,480.40, 497,654.22 and 196,790.36

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Solution

The fourth proportional to 331,480.40, 497,654.22 and 196,790.36 is: 295,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,480.40 : 497,654.22 = 196,790.36 : x
  2. Step 2: Convert to fraction form
    331,480.40/497,654.22 = 196,790.36/x
  3. Step 3: Cross multiply
    331,480.40x = 497,654.22 × 196,790.36
  4. Step 4: Simplify right side
    331,480.40x = 97,933,553,109.32
  5. Step 5: Solve for x
    x = 97,933,553,109.32/331,480.40
  6. Step 6: Final answer
    x = 295,442.97

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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.