Finding the Fourth Proportional to 212,034.46, 292,624.26 and 121,418.96
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Solution
The fourth proportional to 212,034.46, 292,624.26 and 121,418.96 is: 167,567.73
Step by Step Solution
- Step 1: Write the proportion equation
212,034.46 : 292,624.26 = 121,418.96 : x - Step 2: Convert to fraction form
212,034.46/292,624.26 = 121,418.96/x - Step 3: Cross multiply
212,034.46x = 292,624.26 × 121,418.96 - Step 4: Simplify right side
212,034.46x = 35,530,133,319.97 - Step 5: Solve for x
x = 35,530,133,319.97/212,034.46 - Step 6: Final answer
x = 167,567.73
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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.