Finding the Fourth Proportional to 203,629.79, 303,791.14 and 192,607.31
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Solution
The fourth proportional to 203,629.79, 303,791.14 and 192,607.31 is: 287,346.93
Step by Step Solution
- Step 1: Write the proportion equation
203,629.79 : 303,791.14 = 192,607.31 : x - Step 2: Convert to fraction form
203,629.79/303,791.14 = 192,607.31/x - Step 3: Cross multiply
203,629.79x = 303,791.14 × 192,607.31 - Step 4: Simplify right side
203,629.79x = 58,512,394,277.23 - Step 5: Solve for x
x = 58,512,394,277.23/203,629.79 - Step 6: Final answer
x = 287,346.93
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.