Finding the Fourth Proportional to 198,213.36, 273,536.44 and 107,570.11
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Solution
The fourth proportional to 198,213.36, 273,536.44 and 107,570.11 is: 148,447.84
Step by Step Solution
- Step 1: Write the proportion equation
198,213.36 : 273,536.44 = 107,570.11 : x - Step 2: Convert to fraction form
198,213.36/273,536.44 = 107,570.11/x - Step 3: Cross multiply
198,213.36x = 273,536.44 × 107,570.11 - Step 4: Simplify right side
198,213.36x = 29,424,344,939.81 - Step 5: Solve for x
x = 29,424,344,939.81/198,213.36 - Step 6: Final answer
x = 148,447.84
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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.