Finding the Fourth Proportional to 212,174.42, 292,717.82 and 121,481.92
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Solution
The fourth proportional to 212,174.42, 292,717.82 and 121,481.92 is: 167,597.60
Step by Step Solution
- Step 1: Write the proportion equation
212,174.42 : 292,717.82 = 121,481.92 : x - Step 2: Convert to fraction form
212,174.42/292,717.82 = 121,481.92/x - Step 3: Cross multiply
212,174.42x = 292,717.82 × 121,481.92 - Step 4: Simplify right side
212,174.42x = 35,559,922,791.81 - Step 5: Solve for x
x = 35,559,922,791.81/212,174.42 - Step 6: Final answer
x = 167,597.60
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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.