Finding the Fourth Proportional to 197,628.26, 272,725.38 and 106,982.37
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Solution
The fourth proportional to 197,628.26, 272,725.38 and 106,982.37 is: 147,634.80
Step by Step Solution
- Step 1: Write the proportion equation
197,628.26 : 272,725.38 = 106,982.37 : x - Step 2: Convert to fraction form
197,628.26/272,725.38 = 106,982.37/x - Step 3: Cross multiply
197,628.26x = 272,725.38 × 106,982.37 - Step 4: Simplify right side
197,628.26x = 29,176,807,511.55 - Step 5: Solve for x
x = 29,176,807,511.55/197,628.26 - Step 6: Final answer
x = 147,634.80
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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.