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Finding the Fourth Proportional to 229,696.49, 344,517.39 and 61,229.45

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Solution

The fourth proportional to 229,696.49, 344,517.39 and 61,229.45 is: 91,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,696.49 : 344,517.39 = 61,229.45 : x
  2. Step 2: Convert to fraction form
    229,696.49/344,517.39 = 61,229.45/x
  3. Step 3: Cross multiply
    229,696.49x = 344,517.39 × 61,229.45
  4. Step 4: Simplify right side
    229,696.49x = 21,094,608,582.55
  5. Step 5: Solve for x
    x = 21,094,608,582.55/229,696.49
  6. Step 6: Final answer
    x = 91,836.88

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1.5x scale

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.