Finding the Fourth Proportional to 263,853.20, 363,918.18 and 165,764.96
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Solution
The fourth proportional to 263,853.20, 363,918.18 and 165,764.96 is: 228,630.48
Step by Step Solution
- Step 1: Write the proportion equation
263,853.20 : 363,918.18 = 165,764.96 : x - Step 2: Convert to fraction form
263,853.20/363,918.18 = 165,764.96/x - Step 3: Cross multiply
263,853.20x = 363,918.18 × 165,764.96 - Step 4: Simplify right side
263,853.20x = 60,324,882,550.97 - Step 5: Solve for x
x = 60,324,882,550.97/263,853.20 - Step 6: Final answer
x = 228,630.48
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1.5x scale
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.