Finding the Fourth Proportional to 109,680.68, 164,520.26 and 30,794.99
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Solution
The fourth proportional to 109,680.68, 164,520.26 and 30,794.99 is: 46,192.26
Step by Step Solution
- Step 1: Write the proportion equation
109,680.68 : 164,520.26 = 30,794.99 : x - Step 2: Convert to fraction form
109,680.68/164,520.26 = 30,794.99/x - Step 3: Cross multiply
109,680.68x = 164,520.26 × 30,794.99 - Step 4: Simplify right side
109,680.68x = 5,066,399,073.62 - Step 5: Solve for x
x = 5,066,399,073.62/109,680.68 - Step 6: Final answer
x = 46,192.26
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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.