Finding the Fourth Proportional to 211,609.42, 292,010.97 and 116,114.02
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Solution
The fourth proportional to 211,609.42, 292,010.97 and 116,114.02 is: 160,231.84
Step by Step Solution
- Step 1: Write the proportion equation
211,609.42 : 292,010.97 = 116,114.02 : x - Step 2: Convert to fraction form
211,609.42/292,010.97 = 116,114.02/x - Step 3: Cross multiply
211,609.42x = 292,010.97 × 116,114.02 - Step 4: Simplify right side
211,609.42x = 33,906,567,610.80 - Step 5: Solve for x
x = 33,906,567,610.80/211,609.42 - Step 6: Final answer
x = 160,231.84
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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.