Finding the Fourth Proportional to 237,403.38, 327,634.85 and 135,431.09
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Solution
The fourth proportional to 237,403.38, 327,634.85 and 135,431.09 is: 186,905.28
Step by Step Solution
- Step 1: Write the proportion equation
237,403.38 : 327,634.85 = 135,431.09 : x - Step 2: Convert to fraction form
237,403.38/327,634.85 = 135,431.09/x - Step 3: Cross multiply
237,403.38x = 327,634.85 × 135,431.09 - Step 4: Simplify right side
237,403.38x = 44,371,944,011.73 - Step 5: Solve for x
x = 44,371,944,011.73/237,403.38 - Step 6: Final answer
x = 186,905.28
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1.5x scale
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.