Home / 331,319.40-496,979.10-229,842.60

Finding the Fourth Proportional to 331,319.40, 496,979.10 and 229,842.60

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Solution

The fourth proportional to 331,319.40, 496,979.10 and 229,842.60 is: 344,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,319.40 : 496,979.10 = 229,842.60 : x
  2. Step 2: Convert to fraction form
    331,319.40/496,979.10 = 229,842.60/x
  3. Step 3: Cross multiply
    331,319.40x = 496,979.10 × 229,842.60
  4. Step 4: Simplify right side
    331,319.40x = 114,226,968,489.66
  5. Step 5: Solve for x
    x = 114,226,968,489.66/331,319.40
  6. Step 6: Final answer
    x = 344,763.90

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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.