Finding the Fourth Proportional to 358,512.75, 494,771.22 and 207,609.75
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Solution
The fourth proportional to 358,512.75, 494,771.22 and 207,609.75 is: 286,515.14
Step by Step Solution
- Step 1: Write the proportion equation
358,512.75 : 494,771.22 = 207,609.75 : x - Step 2: Convert to fraction form
358,512.75/494,771.22 = 207,609.75/x - Step 3: Cross multiply
358,512.75x = 494,771.22 × 207,609.75 - Step 4: Simplify right side
358,512.75x = 102,719,329,291.40 - Step 5: Solve for x
x = 102,719,329,291.40/358,512.75 - Step 6: Final answer
x = 286,515.14
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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.