Finding the Fourth Proportional to 197,958.96, 273,171.60 and 117,394.08
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Solution
The fourth proportional to 197,958.96, 273,171.60 and 117,394.08 is: 161,996.85
Step by Step Solution
- Step 1: Write the proportion equation
197,958.96 : 273,171.60 = 117,394.08 : x - Step 2: Convert to fraction form
197,958.96/273,171.60 = 117,394.08/x - Step 3: Cross multiply
197,958.96x = 273,171.60 × 117,394.08 - Step 4: Simplify right side
197,958.96x = 32,068,728,664.13 - Step 5: Solve for x
x = 32,068,728,664.13/197,958.96 - Step 6: Final answer
x = 161,996.85
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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.