Finding the Fourth Proportional to 204,578.40, 306,929.57 and 159,754.62
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Solution
The fourth proportional to 204,578.40, 306,929.57 and 159,754.62 is: 239,680.32
Step by Step Solution
- Step 1: Write the proportion equation
204,578.40 : 306,929.57 = 159,754.62 : x - Step 2: Convert to fraction form
204,578.40/306,929.57 = 159,754.62/x - Step 3: Cross multiply
204,578.40x = 306,929.57 × 159,754.62 - Step 4: Simplify right side
204,578.40x = 49,033,416,023.34 - Step 5: Solve for x
x = 49,033,416,023.34/204,578.40 - Step 6: Final answer
x = 239,680.32
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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.