Finding the Fourth Proportional to 328,680.24, 453,578.40 and 177,776.88
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Solution
The fourth proportional to 328,680.24, 453,578.40 and 177,776.88 is: 245,331.92
Step by Step Solution
- Step 1: Write the proportion equation
328,680.24 : 453,578.40 = 177,776.88 : x - Step 2: Convert to fraction form
328,680.24/453,578.40 = 177,776.88/x - Step 3: Cross multiply
328,680.24x = 453,578.40 × 177,776.88 - Step 4: Simplify right side
328,680.24x = 80,635,752,787.39 - Step 5: Solve for x
x = 80,635,752,787.39/328,680.24 - Step 6: Final answer
x = 245,331.92
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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.