Finding the Fourth Proportional to 328,375.79, 491,850.87 and 201,631.31
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Solution
The fourth proportional to 328,375.79, 491,850.87 and 201,631.31 is: 302,009.27
Step by Step Solution
- Step 1: Write the proportion equation
328,375.79 : 491,850.87 = 201,631.31 : x - Step 2: Convert to fraction form
328,375.79/491,850.87 = 201,631.31/x - Step 3: Cross multiply
328,375.79x = 491,850.87 × 201,631.31 - Step 4: Simplify right side
328,375.79x = 99,172,534,234.58 - Step 5: Solve for x
x = 99,172,534,234.58/328,375.79 - Step 6: Final answer
x = 302,009.27
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1.5x scale
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.