Finding the Fourth Proportional to 169,212.62, 233,571.94 and 97,621.18
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Solution
The fourth proportional to 169,212.62, 233,571.94 and 97,621.18 is: 134,750.99
Step by Step Solution
- Step 1: Write the proportion equation
169,212.62 : 233,571.94 = 97,621.18 : x - Step 2: Convert to fraction form
169,212.62/233,571.94 = 97,621.18/x - Step 3: Cross multiply
169,212.62x = 233,571.94 × 97,621.18 - Step 4: Simplify right side
169,212.62x = 22,801,568,397.69 - Step 5: Solve for x
x = 22,801,568,397.69/169,212.62 - Step 6: Final answer
x = 134,750.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.