Finding the Fourth Proportional to 198,857.68, 298,580.28 and 132,709.84
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Solution
The fourth proportional to 198,857.68, 298,580.28 and 132,709.84 is: 199,260.80
Step by Step Solution
- Step 1: Write the proportion equation
198,857.68 : 298,580.28 = 132,709.84 : x - Step 2: Convert to fraction form
198,857.68/298,580.28 = 132,709.84/x - Step 3: Cross multiply
198,857.68x = 298,580.28 × 132,709.84 - Step 4: Simplify right side
198,857.68x = 39,624,541,185.96 - Step 5: Solve for x
x = 39,624,541,185.96/198,857.68 - Step 6: Final answer
x = 199,260.80
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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.