Finding the Fourth Proportional to 331,205.84, 457,123.68 and 195,231.72
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Solution
The fourth proportional to 331,205.84, 457,123.68 and 195,231.72 is: 269,454.92
Step by Step Solution
- Step 1: Write the proportion equation
331,205.84 : 457,123.68 = 195,231.72 : x - Step 2: Convert to fraction form
331,205.84/457,123.68 = 195,231.72/x - Step 3: Cross multiply
331,205.84x = 457,123.68 × 195,231.72 - Step 4: Simplify right side
331,205.84x = 89,245,042,299.13 - Step 5: Solve for x
x = 89,245,042,299.13/331,205.84 - Step 6: Final answer
x = 269,454.92
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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.