Finding the Fourth Proportional to 354,747.09, 489,561.37 and 193,612.48
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Solution
The fourth proportional to 354,747.09, 489,561.37 and 193,612.48 is: 267,190.88
Step by Step Solution
- Step 1: Write the proportion equation
354,747.09 : 489,561.37 = 193,612.48 : x - Step 2: Convert to fraction form
354,747.09/489,561.37 = 193,612.48/x - Step 3: Cross multiply
354,747.09x = 489,561.37 × 193,612.48 - Step 4: Simplify right side
354,747.09x = 94,785,189,249.96 - Step 5: Solve for x
x = 94,785,189,249.96/354,747.09 - Step 6: Final answer
x = 267,190.88
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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.