Finding the Fourth Proportional to 358,578.75, 494,838.69 and 199,602.75
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Solution
The fourth proportional to 358,578.75, 494,838.69 and 199,602.75 is: 275,451.80
Step by Step Solution
- Step 1: Write the proportion equation
358,578.75 : 494,838.69 = 199,602.75 : x - Step 2: Convert to fraction form
358,578.75/494,838.69 = 199,602.75/x - Step 3: Cross multiply
358,578.75x = 494,838.69 × 199,602.75 - Step 4: Simplify right side
358,578.75x = 98,771,163,330.40 - Step 5: Solve for x
x = 98,771,163,330.40/358,578.75 - Step 6: Final answer
x = 275,451.80
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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.