Home / 331,976.52-498,701.34-205,710.12

Finding the Fourth Proportional to 331,976.52, 498,701.34 and 205,710.12

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Solution

The fourth proportional to 331,976.52, 498,701.34 and 205,710.12 is: 309,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,976.52 : 498,701.34 = 205,710.12 : x
  2. Step 2: Convert to fraction form
    331,976.52/498,701.34 = 205,710.12/x
  3. Step 3: Cross multiply
    331,976.52x = 498,701.34 × 205,710.12
  4. Step 4: Simplify right side
    331,976.52x = 102,587,912,495.56
  5. Step 5: Solve for x
    x = 102,587,912,495.56/331,976.52
  6. Step 6: Final answer
    x = 309,021.59

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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.