Finding the Fourth Proportional to 306,757.68, 460,081.10 and 107,135.14
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Solution
The fourth proportional to 306,757.68, 460,081.10 and 107,135.14 is: 160,683.35
Step by Step Solution
- Step 1: Write the proportion equation
306,757.68 : 460,081.10 = 107,135.14 : x - Step 2: Convert to fraction form
306,757.68/460,081.10 = 107,135.14/x - Step 3: Cross multiply
306,757.68x = 460,081.10 × 107,135.14 - Step 4: Simplify right side
306,757.68x = 49,290,853,059.85 - Step 5: Solve for x
x = 49,290,853,059.85/306,757.68 - Step 6: Final answer
x = 160,683.35
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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.