Finding the Fourth Proportional to 327,441.96, 451,860.12 and 198,456.75
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Solution
The fourth proportional to 327,441.96, 451,860.12 and 198,456.75 is: 273,864.38
Step by Step Solution
- Step 1: Write the proportion equation
327,441.96 : 451,860.12 = 198,456.75 : x - Step 2: Convert to fraction form
327,441.96/451,860.12 = 198,456.75/x - Step 3: Cross multiply
327,441.96x = 451,860.12 × 198,456.75 - Step 4: Simplify right side
327,441.96x = 89,674,690,869.81 - Step 5: Solve for x
x = 89,674,690,869.81/327,441.96 - Step 6: Final answer
x = 273,864.38
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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.