Finding the Fourth Proportional to 471,197.88, 706,876.20 and 218,375.82
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Solution
The fourth proportional to 471,197.88, 706,876.20 and 218,375.82 is: 327,600.52
Step by Step Solution
- Step 1: Write the proportion equation
471,197.88 : 706,876.20 = 218,375.82 : x - Step 2: Convert to fraction form
471,197.88/706,876.20 = 218,375.82/x - Step 3: Cross multiply
471,197.88x = 706,876.20 × 218,375.82 - Step 4: Simplify right side
471,197.88x = 154,364,669,813.48 - Step 5: Solve for x
x = 154,364,669,813.48/471,197.88 - Step 6: Final answer
x = 327,600.52
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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.