Home / 229,144.31-343,634.45-79,344.38

Finding the Fourth Proportional to 229,144.31, 343,634.45 and 79,344.38

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Solution

The fourth proportional to 229,144.31, 343,634.45 and 79,344.38 is: 118,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,144.31 : 343,634.45 = 79,344.38 : x
  2. Step 2: Convert to fraction form
    229,144.31/343,634.45 = 79,344.38/x
  3. Step 3: Cross multiply
    229,144.31x = 343,634.45 × 79,344.38
  4. Step 4: Simplify right side
    229,144.31x = 27,265,460,267.00
  5. Step 5: Solve for x
    x = 27,265,460,267.00/229,144.31
  6. Step 6: Final answer
    x = 118,988.16

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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.