Finding the Fourth Proportional to 211,717.26, 292,171.05 and 116,224.74
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Solution
The fourth proportional to 211,717.26, 292,171.05 and 116,224.74 is: 160,390.82
Step by Step Solution
- Step 1: Write the proportion equation
211,717.26 : 292,171.05 = 116,224.74 : x - Step 2: Convert to fraction form
211,717.26/292,171.05 = 116,224.74/x - Step 3: Cross multiply
211,717.26x = 292,171.05 × 116,224.74 - Step 4: Simplify right side
211,717.26x = 33,957,504,321.78 - Step 5: Solve for x
x = 33,957,504,321.78/211,717.26 - Step 6: Final answer
x = 160,390.82
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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.