Finding the Fourth Proportional to 192,361.62, 288,547.36 and 91,135.97
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Solution
The fourth proportional to 192,361.62, 288,547.36 and 91,135.97 is: 136,706.29
Step by Step Solution
- Step 1: Write the proportion equation
192,361.62 : 288,547.36 = 91,135.97 : x - Step 2: Convert to fraction form
192,361.62/288,547.36 = 91,135.97/x - Step 3: Cross multiply
192,361.62x = 288,547.36 × 91,135.97 - Step 4: Simplify right side
192,361.62x = 26,297,043,544.54 - Step 5: Solve for x
x = 26,297,043,544.54/192,361.62 - Step 6: Final answer
x = 136,706.29
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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.