Finding the Fourth Proportional to 354,908.19, 489,771.97 and 193,761.39
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Solution
The fourth proportional to 354,908.19, 489,771.97 and 193,761.39 is: 267,389.99
Step by Step Solution
- Step 1: Write the proportion equation
354,908.19 : 489,771.97 = 193,761.39 : x - Step 2: Convert to fraction form
354,908.19/489,771.97 = 193,761.39/x - Step 3: Cross multiply
354,908.19x = 489,771.97 × 193,761.39 - Step 4: Simplify right side
354,908.19x = 94,898,897,690.24 - Step 5: Solve for x
x = 94,898,897,690.24/354,908.19 - Step 6: Final answer
x = 267,389.99
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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.