Finding the Fourth Proportional to 197,971.48, 273,163.15 and 117,369.60
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Solution
The fourth proportional to 197,971.48, 273,163.15 and 117,369.60 is: 161,947.82
Step by Step Solution
- Step 1: Write the proportion equation
197,971.48 : 273,163.15 = 117,369.60 : x - Step 2: Convert to fraction form
197,971.48/273,163.15 = 117,369.60/x - Step 3: Cross multiply
197,971.48x = 273,163.15 × 117,369.60 - Step 4: Simplify right side
197,971.48x = 32,061,049,650.24 - Step 5: Solve for x
x = 32,061,049,650.24/197,971.48 - Step 6: Final answer
x = 161,947.82
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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.