Finding the Fourth Proportional to 197,847.19, 273,034.23 and 121,408.54
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Solution
The fourth proportional to 197,847.19, 273,034.23 and 121,408.54 is: 167,546.91
Step by Step Solution
- Step 1: Write the proportion equation
197,847.19 : 273,034.23 = 121,408.54 : x - Step 2: Convert to fraction form
197,847.19/273,034.23 = 121,408.54/x - Step 3: Cross multiply
197,847.19x = 273,034.23 × 121,408.54 - Step 4: Simplify right side
197,847.19x = 33,148,686,096.46 - Step 5: Solve for x
x = 33,148,686,096.46/197,847.19 - Step 6: Final answer
x = 167,546.91
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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.