Finding the Fourth Proportional to 211,838.38, 317,757.11 and 133,007.96
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Solution
The fourth proportional to 211,838.38, 317,757.11 and 133,007.96 is: 199,511.65
Step by Step Solution
- Step 1: Write the proportion equation
211,838.38 : 317,757.11 = 133,007.96 : x - Step 2: Convert to fraction form
211,838.38/317,757.11 = 133,007.96/x - Step 3: Cross multiply
211,838.38x = 317,757.11 × 133,007.96 - Step 4: Simplify right side
211,838.38x = 42,264,224,976.60 - Step 5: Solve for x
x = 42,264,224,976.60/211,838.38 - Step 6: Final answer
x = 199,511.65
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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.