Finding the Fourth Proportional to 218,709.23, 328,063.84 and 52,497.23
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Solution
The fourth proportional to 218,709.23, 328,063.84 and 52,497.23 is: 78,745.84
Step by Step Solution
- Step 1: Write the proportion equation
218,709.23 : 328,063.84 = 52,497.23 : x - Step 2: Convert to fraction form
218,709.23/328,063.84 = 52,497.23/x - Step 3: Cross multiply
218,709.23x = 328,063.84 × 52,497.23 - Step 4: Simplify right side
218,709.23x = 17,222,442,863.16 - Step 5: Solve for x
x = 17,222,442,863.16/218,709.23 - Step 6: Final answer
x = 78,745.84
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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.