Finding the Fourth Proportional to 198,269.95, 273,617.36 and 107,629.63
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Solution
The fourth proportional to 198,269.95, 273,617.36 and 107,629.63 is: 148,531.51
Step by Step Solution
- Step 1: Write the proportion equation
198,269.95 : 273,617.36 = 107,629.63 : x - Step 2: Convert to fraction form
198,269.95/273,617.36 = 107,629.63/x - Step 3: Cross multiply
198,269.95x = 273,617.36 × 107,629.63 - Step 4: Simplify right side
198,269.95x = 29,449,335,218.38 - Step 5: Solve for x
x = 29,449,335,218.38/198,269.95 - Step 6: Final answer
x = 148,531.51
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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.