Finding the Fourth Proportional to 211,678.38, 292,119.62 and 116,193.96
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Solution
The fourth proportional to 211,678.38, 292,119.62 and 116,193.96 is: 160,349.56
Step by Step Solution
- Step 1: Write the proportion equation
211,678.38 : 292,119.62 = 116,193.96 : x - Step 2: Convert to fraction form
211,678.38/292,119.62 = 116,193.96/x - Step 3: Cross multiply
211,678.38x = 292,119.62 × 116,193.96 - Step 4: Simplify right side
211,678.38x = 33,942,534,860.53 - Step 5: Solve for x
x = 33,942,534,860.53/211,678.38 - Step 6: Final answer
x = 160,349.56
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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.