Finding the Fourth Proportional to 211,736.87, 292,197.37 and 116,249.72
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Solution
The fourth proportional to 211,736.87, 292,197.37 and 116,249.72 is: 160,424.88
Step by Step Solution
- Step 1: Write the proportion equation
211,736.87 : 292,197.37 = 116,249.72 : x - Step 2: Convert to fraction form
211,736.87/292,197.37 = 116,249.72/x - Step 3: Cross multiply
211,736.87x = 292,197.37 × 116,249.72 - Step 4: Simplify right side
211,736.87x = 33,967,862,447.24 - Step 5: Solve for x
x = 33,967,862,447.24/211,736.87 - Step 6: Final answer
x = 160,424.88
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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.