Finding the Fourth Proportional to 342,120.26, 513,645.78 and 192,465.87
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Solution
The fourth proportional to 342,120.26, 513,645.78 and 192,465.87 is: 288,960.62
Step by Step Solution
- Step 1: Write the proportion equation
342,120.26 : 513,645.78 = 192,465.87 : x - Step 2: Convert to fraction form
342,120.26/513,645.78 = 192,465.87/x - Step 3: Cross multiply
342,120.26x = 513,645.78 × 192,465.87 - Step 4: Simplify right side
342,120.26x = 98,859,283,063.05 - Step 5: Solve for x
x = 98,859,283,063.05/342,120.26 - Step 6: Final answer
x = 288,960.62
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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.