Finding the Fourth Proportional to 198,368.24, 273,627.96 and 117,742.64
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Solution
The fourth proportional to 198,368.24, 273,627.96 and 117,742.64 is: 162,413.49
Step by Step Solution
- Step 1: Write the proportion equation
198,368.24 : 273,627.96 = 117,742.64 : x - Step 2: Convert to fraction form
198,368.24/273,627.96 = 117,742.64/x - Step 3: Cross multiply
198,368.24x = 273,627.96 × 117,742.64 - Step 4: Simplify right side
198,368.24x = 32,217,678,388.21 - Step 5: Solve for x
x = 32,217,678,388.21/198,368.24 - Step 6: Final answer
x = 162,413.49
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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.