Finding the Fourth Proportional to 281,274.96, 421,858.68 and 84,282.96
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Solution
The fourth proportional to 281,274.96, 421,858.68 and 84,282.96 is: 126,408.33
Step by Step Solution
- Step 1: Write the proportion equation
281,274.96 : 421,858.68 = 84,282.96 : x - Step 2: Convert to fraction form
281,274.96/421,858.68 = 84,282.96/x - Step 3: Cross multiply
281,274.96x = 421,858.68 × 84,282.96 - Step 4: Simplify right side
281,274.96x = 35,555,498,252.09 - Step 5: Solve for x
x = 35,555,498,252.09/281,274.96 - Step 6: Final answer
x = 126,408.33
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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.