Finding the Fourth Proportional to 198,883.26, 274,453.61 and 108,237.26
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Solution
The fourth proportional to 198,883.26, 274,453.61 and 108,237.26 is: 149,364.54
Step by Step Solution
- Step 1: Write the proportion equation
198,883.26 : 274,453.61 = 108,237.26 : x - Step 2: Convert to fraction form
198,883.26/274,453.61 = 108,237.26/x - Step 3: Cross multiply
198,883.26x = 274,453.61 × 108,237.26 - Step 4: Simplify right side
198,883.26x = 29,706,106,888.46 - Step 5: Solve for x
x = 29,706,106,888.46/198,883.26 - Step 6: Final answer
x = 149,364.54
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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.