Finding the Fourth Proportional to 358,120.92, 494,207.13 and 196,988.23
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Solution
The fourth proportional to 358,120.92, 494,207.13 and 196,988.23 is: 271,843.90
Step by Step Solution
- Step 1: Write the proportion equation
358,120.92 : 494,207.13 = 196,988.23 : x - Step 2: Convert to fraction form
358,120.92/494,207.13 = 196,988.23/x - Step 3: Cross multiply
358,120.92x = 494,207.13 × 196,988.23 - Step 4: Simplify right side
358,120.92x = 97,352,987,792.08 - Step 5: Solve for x
x = 97,352,987,792.08/358,120.92 - Step 6: Final answer
x = 271,843.90
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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.