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Finding the Fourth Proportional to 229,876.94, 344,367.08 and 129,734.21

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Solution

The fourth proportional to 229,876.94, 344,367.08 and 129,734.21 is: 194,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,876.94 : 344,367.08 = 129,734.21 : x
  2. Step 2: Convert to fraction form
    229,876.94/344,367.08 = 129,734.21/x
  3. Step 3: Cross multiply
    229,876.94x = 344,367.08 × 129,734.21
  4. Step 4: Simplify right side
    229,876.94x = 44,676,191,772.56
  5. Step 5: Solve for x
    x = 44,676,191,772.56/229,876.94
  6. Step 6: Final answer
    x = 194,348.29

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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.