Finding the Fourth Proportional to 358,968.30, 495,388.70 and 195,638.42
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Solution
The fourth proportional to 358,968.30, 495,388.70 and 195,638.42 is: 269,987.80
Step by Step Solution
- Step 1: Write the proportion equation
358,968.30 : 495,388.70 = 195,638.42 : x - Step 2: Convert to fraction form
358,968.30/495,388.70 = 195,638.42/x - Step 3: Cross multiply
358,968.30x = 495,388.70 × 195,638.42 - Step 4: Simplify right side
358,968.30x = 96,917,062,553.85 - Step 5: Solve for x
x = 96,917,062,553.85/358,968.30 - Step 6: Final answer
x = 269,987.80
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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.