Home / 331,948.31-497,081.64-205,834.88

Finding the Fourth Proportional to 331,948.31, 497,081.64 and 205,834.88

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Solution

The fourth proportional to 331,948.31, 497,081.64 and 205,834.88 is: 308,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,948.31 : 497,081.64 = 205,834.88 : x
  2. Step 2: Convert to fraction form
    331,948.31/497,081.64 = 205,834.88/x
  3. Step 3: Cross multiply
    331,948.31x = 497,081.64 × 205,834.88
  4. Step 4: Simplify right side
    331,948.31x = 102,316,737,234.20
  5. Step 5: Solve for x
    x = 102,316,737,234.20/331,948.31
  6. Step 6: Final answer
    x = 308,230.94

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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.