Finding the Fourth Proportional to 198,214.63, 273,536.38 and 107,570.62
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Solution
The fourth proportional to 198,214.63, 273,536.38 and 107,570.62 is: 148,447.55
Step by Step Solution
- Step 1: Write the proportion equation
198,214.63 : 273,536.38 = 107,570.62 : x - Step 2: Convert to fraction form
198,214.63/273,536.38 = 107,570.62/x - Step 3: Cross multiply
198,214.63x = 273,536.38 × 107,570.62 - Step 4: Simplify right side
198,214.63x = 29,424,476,321.81 - Step 5: Solve for x
x = 29,424,476,321.81/198,214.63 - Step 6: Final answer
x = 148,447.55
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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.