Finding the Fourth Proportional to 327,855.74, 491,784.48 and 91,198.44
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Solution
The fourth proportional to 327,855.74, 491,784.48 and 91,198.44 is: 136,797.90
Step by Step Solution
- Step 1: Write the proportion equation
327,855.74 : 491,784.48 = 91,198.44 : x - Step 2: Convert to fraction form
327,855.74/491,784.48 = 91,198.44/x - Step 3: Cross multiply
327,855.74x = 491,784.48 × 91,198.44 - Step 4: Simplify right side
327,855.74x = 44,849,977,392.21 - Step 5: Solve for x
x = 44,849,977,392.21/327,855.74 - Step 6: Final answer
x = 136,797.90
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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.