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Finding the Fourth Proportional to 339,335.80, 508,679.70 and 126,046.60

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Solution

The fourth proportional to 339,335.80, 508,679.70 and 126,046.60 is: 188,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,335.80 : 508,679.70 = 126,046.60 : x
  2. Step 2: Convert to fraction form
    339,335.80/508,679.70 = 126,046.60/x
  3. Step 3: Cross multiply
    339,335.80x = 508,679.70 × 126,046.60
  4. Step 4: Simplify right side
    339,335.80x = 64,117,346,674.02
  5. Step 5: Solve for x
    x = 64,117,346,674.02/339,335.80
  6. Step 6: Final answer
    x = 188,949.55

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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.