Finding the Fourth Proportional to 215,286.88, 297,203.52 and 166,780.88
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Solution
The fourth proportional to 215,286.88, 297,203.52 and 166,780.88 is: 230,240.99
Step by Step Solution
- Step 1: Write the proportion equation
215,286.88 : 297,203.52 = 166,780.88 : x - Step 2: Convert to fraction form
215,286.88/297,203.52 = 166,780.88/x - Step 3: Cross multiply
215,286.88x = 297,203.52 × 166,780.88 - Step 4: Simplify right side
215,286.88x = 49,567,864,604.70 - Step 5: Solve for x
x = 49,567,864,604.70/215,286.88 - Step 6: Final answer
x = 230,240.99
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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.