Finding the Fourth Proportional to 211,879.42, 292,322.22 and 119,986.14
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Solution
The fourth proportional to 211,879.42, 292,322.22 and 119,986.14 is: 165,540.45
Step by Step Solution
- Step 1: Write the proportion equation
211,879.42 : 292,322.22 = 119,986.14 : x - Step 2: Convert to fraction form
211,879.42/292,322.22 = 119,986.14/x - Step 3: Cross multiply
211,879.42x = 292,322.22 × 119,986.14 - Step 4: Simplify right side
211,879.42x = 35,074,614,814.03 - Step 5: Solve for x
x = 35,074,614,814.03/211,879.42 - Step 6: Final answer
x = 165,540.45
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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.