Home / 338,010.21-465,914.97-229,080.60

Finding the Fourth Proportional to 338,010.21, 465,914.97 and 229,080.60

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Solution

The fourth proportional to 338,010.21, 465,914.97 and 229,080.60 is: 315,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,010.21 : 465,914.97 = 229,080.60 : x
  2. Step 2: Convert to fraction form
    338,010.21/465,914.97 = 229,080.60/x
  3. Step 3: Cross multiply
    338,010.21x = 465,914.97 × 229,080.60
  4. Step 4: Simplify right side
    338,010.21x = 106,732,080,876.58
  5. Step 5: Solve for x
    x = 106,732,080,876.58/338,010.21
  6. Step 6: Final answer
    x = 315,765.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.