Finding the Fourth Proportional to 234,924.97, 324,465.60 and 154,711.03
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Solution
The fourth proportional to 234,924.97, 324,465.60 and 154,711.03 is: 213,678.47
Step by Step Solution
- Step 1: Write the proportion equation
234,924.97 : 324,465.60 = 154,711.03 : x - Step 2: Convert to fraction form
234,924.97/324,465.60 = 154,711.03/x - Step 3: Cross multiply
234,924.97x = 324,465.60 × 154,711.03 - Step 4: Simplify right side
234,924.97x = 50,198,407,175.57 - Step 5: Solve for x
x = 50,198,407,175.57/234,924.97 - Step 6: Final answer
x = 213,678.47
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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.