Finding the Fourth Proportional to 393,516.54, 587,205.59 and 351,105.08
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Solution
The fourth proportional to 393,516.54, 587,205.59 and 351,105.08 is: 523,919.17
Step by Step Solution
- Step 1: Write the proportion equation
393,516.54 : 587,205.59 = 351,105.08 : x - Step 2: Convert to fraction form
393,516.54/587,205.59 = 351,105.08/x - Step 3: Cross multiply
393,516.54x = 587,205.59 × 351,105.08 - Step 4: Simplify right side
393,516.54x = 206,170,860,961.84 - Step 5: Solve for x
x = 206,170,860,961.84/393,516.54 - Step 6: Final answer
x = 523,919.17
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.