Finding the Fourth Proportional to 328,640.44, 453,524.10 and 177,737.44
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Solution
The fourth proportional to 328,640.44, 453,524.10 and 177,737.44 is: 245,277.83
Step by Step Solution
- Step 1: Write the proportion equation
328,640.44 : 453,524.10 = 177,737.44 : x - Step 2: Convert to fraction form
328,640.44/453,524.10 = 177,737.44/x - Step 3: Cross multiply
328,640.44x = 453,524.10 × 177,737.44 - Step 4: Simplify right side
328,640.44x = 80,608,212,512.30 - Step 5: Solve for x
x = 80,608,212,512.30/328,640.44 - Step 6: Final answer
x = 245,277.83
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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.