Finding the Fourth Proportional to 945,193.44, 1,417,363.72 and 271,121.80
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Solution
The fourth proportional to 945,193.44, 1,417,363.72 and 271,121.80 is: 406,560.38
Step by Step Solution
- Step 1: Write the proportion equation
945,193.44 : 1,417,363.72 = 271,121.80 : x - Step 2: Convert to fraction form
945,193.44/1,417,363.72 = 271,121.80/x - Step 3: Cross multiply
945,193.44x = 1,417,363.72 × 271,121.80 - Step 4: Simplify right side
945,193.44x = 384,278,203,021.10 - Step 5: Solve for x
x = 384,278,203,021.10/945,193.44 - Step 6: Final answer
x = 406,560.38
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1.5x scale
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.