Finding the Fourth Proportional to 342,568.20, 513,163.38 and 192,583.74
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Solution
The fourth proportional to 342,568.20, 513,163.38 and 192,583.74 is: 288,488.32
Step by Step Solution
- Step 1: Write the proportion equation
342,568.20 : 513,163.38 = 192,583.74 : x - Step 2: Convert to fraction form
342,568.20/513,163.38 = 192,583.74/x - Step 3: Cross multiply
342,568.20x = 513,163.38 × 192,583.74 - Step 4: Simplify right side
342,568.20x = 98,826,922,951.44 - Step 5: Solve for x
x = 98,826,922,951.44/342,568.20 - Step 6: Final answer
x = 288,488.32
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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.