Finding the Fourth Proportional to 209,696.96, 314,319.18 and 102,956.78
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Solution
The fourth proportional to 209,696.96, 314,319.18 and 102,956.78 is: 154,324.08
Step by Step Solution
- Step 1: Write the proportion equation
209,696.96 : 314,319.18 = 102,956.78 : x - Step 2: Convert to fraction form
209,696.96/314,319.18 = 102,956.78/x - Step 3: Cross multiply
209,696.96x = 314,319.18 × 102,956.78 - Step 4: Simplify right side
209,696.96x = 32,361,290,665.04 - Step 5: Solve for x
x = 32,361,290,665.04/209,696.96 - Step 6: Final answer
x = 154,324.08
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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.