Finding the Fourth Proportional to 187,512.73, 258,771.17 and 102,629.79
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Solution
The fourth proportional to 187,512.73, 258,771.17 and 102,629.79 is: 141,631.09
Step by Step Solution
- Step 1: Write the proportion equation
187,512.73 : 258,771.17 = 102,629.79 : x - Step 2: Convert to fraction form
187,512.73/258,771.17 = 102,629.79/x - Step 3: Cross multiply
187,512.73x = 258,771.17 × 102,629.79 - Step 4: Simplify right side
187,512.73x = 26,557,631,091.73 - Step 5: Solve for x
x = 26,557,631,091.73/187,512.73 - Step 6: Final answer
x = 141,631.09
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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.