Finding the Fourth Proportional to 328,674.09, 453,570.24 and 177,771.09
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Solution
The fourth proportional to 328,674.09, 453,570.24 and 177,771.09 is: 245,324.10
Step by Step Solution
- Step 1: Write the proportion equation
328,674.09 : 453,570.24 = 177,771.09 : x - Step 2: Convert to fraction form
328,674.09/453,570.24 = 177,771.09/x - Step 3: Cross multiply
328,674.09x = 453,570.24 × 177,771.09 - Step 4: Simplify right side
328,674.09x = 80,631,675,956.36 - Step 5: Solve for x
x = 80,631,675,956.36/328,674.09 - Step 6: Final answer
x = 245,324.10
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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.