Finding the Fourth Proportional to 198,015.36, 273,244.26 and 113,115.84
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Solution
The fourth proportional to 198,015.36, 273,244.26 and 113,115.84 is: 156,090.18
Step by Step Solution
- Step 1: Write the proportion equation
198,015.36 : 273,244.26 = 113,115.84 : x - Step 2: Convert to fraction form
198,015.36/273,244.26 = 113,115.84/x - Step 3: Cross multiply
198,015.36x = 273,244.26 × 113,115.84 - Step 4: Simplify right side
198,015.36x = 30,908,253,995.08 - Step 5: Solve for x
x = 30,908,253,995.08/198,015.36 - Step 6: Final answer
x = 156,090.18
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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.