Finding the Fourth Proportional to 207,042.92, 310,438.97 and 135,049.62
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Solution
The fourth proportional to 207,042.92, 310,438.97 and 135,049.62 is: 202,492.63
Step by Step Solution
- Step 1: Write the proportion equation
207,042.92 : 310,438.97 = 135,049.62 : x - Step 2: Convert to fraction form
207,042.92/310,438.97 = 135,049.62/x - Step 3: Cross multiply
207,042.92x = 310,438.97 × 135,049.62 - Step 4: Simplify right side
207,042.92x = 41,924,664,931.69 - Step 5: Solve for x
x = 41,924,664,931.69/207,042.92 - Step 6: Final answer
x = 202,492.63
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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.