Finding the Fourth Proportional to 327,650.10, 491,508.65 and 125,416.09
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Solution
The fourth proportional to 327,650.10, 491,508.65 and 125,416.09 is: 188,136.96
Step by Step Solution
- Step 1: Write the proportion equation
327,650.10 : 491,508.65 = 125,416.09 : x - Step 2: Convert to fraction form
327,650.10/491,508.65 = 125,416.09/x - Step 3: Cross multiply
327,650.10x = 491,508.65 × 125,416.09 - Step 4: Simplify right side
327,650.10x = 61,643,093,084.18 - Step 5: Solve for x
x = 61,643,093,084.18/327,650.10 - Step 6: Final answer
x = 188,136.96
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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.