Home / 229,135.07-343,620.59-79,335.15

Finding the Fourth Proportional to 229,135.07, 343,620.59 and 79,335.15

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Solution

The fourth proportional to 229,135.07, 343,620.59 and 79,335.15 is: 118,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,135.07 : 343,620.59 = 79,335.15 : x
  2. Step 2: Convert to fraction form
    229,135.07/343,620.59 = 79,335.15/x
  3. Step 3: Cross multiply
    229,135.07x = 343,620.59 × 79,335.15
  4. Step 4: Simplify right side
    229,135.07x = 27,261,190,654.06
  5. Step 5: Solve for x
    x = 27,261,190,654.06/229,135.07
  6. Step 6: Final answer
    x = 118,974.33

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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.