Finding the Fourth Proportional to 328,872.13, 453,843.53 and 177,969.13
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Solution
The fourth proportional to 328,872.13, 453,843.53 and 177,969.13 is: 245,597.39
Step by Step Solution
- Step 1: Write the proportion equation
328,872.13 : 453,843.53 = 177,969.13 : x - Step 2: Convert to fraction form
328,872.13/453,843.53 = 177,969.13/x - Step 3: Cross multiply
328,872.13x = 453,843.53 × 177,969.13 - Step 4: Simplify right side
328,872.13x = 80,770,138,190.23 - Step 5: Solve for x
x = 80,770,138,190.23/328,872.13 - Step 6: Final answer
x = 245,597.39
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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.