Finding the Fourth Proportional to 204,459.26, 306,965.45 and 141,121.91
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Solution
The fourth proportional to 204,459.26, 306,965.45 and 141,121.91 is: 211,873.75
Step by Step Solution
- Step 1: Write the proportion equation
204,459.26 : 306,965.45 = 141,121.91 : x - Step 2: Convert to fraction form
204,459.26/306,965.45 = 141,121.91/x - Step 3: Cross multiply
204,459.26x = 306,965.45 × 141,121.91 - Step 4: Simplify right side
204,459.26x = 43,319,548,367.57 - Step 5: Solve for x
x = 43,319,548,367.57/204,459.26 - Step 6: Final answer
x = 211,873.75
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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.