Finding the Fourth Proportional to 327,827.36, 491,741.58 and 91,170.20
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Solution
The fourth proportional to 327,827.36, 491,741.58 and 91,170.20 is: 136,755.45
Step by Step Solution
- Step 1: Write the proportion equation
327,827.36 : 491,741.58 = 91,170.20 : x - Step 2: Convert to fraction form
327,827.36/491,741.58 = 91,170.20/x - Step 3: Cross multiply
327,827.36x = 491,741.58 × 91,170.20 - Step 4: Simplify right side
327,827.36x = 44,832,178,196.92 - Step 5: Solve for x
x = 44,832,178,196.92/327,827.36 - Step 6: Final answer
x = 136,755.45
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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.