Finding the Fourth Proportional to 295,694.62, 443,578.84 and 115,756.80
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Solution
The fourth proportional to 295,694.62, 443,578.84 and 115,756.80 is: 173,649.65
Step by Step Solution
- Step 1: Write the proportion equation
295,694.62 : 443,578.84 = 115,756.80 : x - Step 2: Convert to fraction form
295,694.62/443,578.84 = 115,756.80/x - Step 3: Cross multiply
295,694.62x = 443,578.84 × 115,756.80 - Step 4: Simplify right side
295,694.62x = 51,347,267,066.11 - Step 5: Solve for x
x = 51,347,267,066.11/295,694.62 - Step 6: Final answer
x = 173,649.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.