Finding the Fourth Proportional to 328,121.15, 491,627.68 and 201,497.49
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Solution
The fourth proportional to 328,121.15, 491,627.68 and 201,497.49 is: 301,906.00
Step by Step Solution
- Step 1: Write the proportion equation
328,121.15 : 491,627.68 = 201,497.49 : x - Step 2: Convert to fraction form
328,121.15/491,627.68 = 201,497.49/x - Step 3: Cross multiply
328,121.15x = 491,627.68 × 201,497.49 - Step 4: Simplify right side
328,121.15x = 99,061,743,030.78 - Step 5: Solve for x
x = 99,061,743,030.78/328,121.15 - Step 6: Final answer
x = 301,906.00
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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.