Finding the Fourth Proportional to 295,830.09, 408,245.45 and 161,694.09
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Solution
The fourth proportional to 295,830.09, 408,245.45 and 161,694.09 is: 223,137.80
Step by Step Solution
- Step 1: Write the proportion equation
295,830.09 : 408,245.45 = 161,694.09 : x - Step 2: Convert to fraction form
295,830.09/408,245.45 = 161,694.09/x - Step 3: Cross multiply
295,830.09x = 408,245.45 × 161,694.09 - Step 4: Simplify right side
295,830.09x = 66,010,875,725.92 - Step 5: Solve for x
x = 66,010,875,725.92/295,830.09 - Step 6: Final answer
x = 223,137.80
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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.