Finding the Fourth Proportional to 281,594.70, 422,393.52 and 71,232.84
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Solution
The fourth proportional to 281,594.70, 422,393.52 and 71,232.84 is: 106,849.63
Step by Step Solution
- Step 1: Write the proportion equation
281,594.70 : 422,393.52 = 71,232.84 : x - Step 2: Convert to fraction form
281,594.70/422,393.52 = 71,232.84/x - Step 3: Cross multiply
281,594.70x = 422,393.52 × 71,232.84 - Step 4: Simplify right side
281,594.70x = 30,088,290,027.20 - Step 5: Solve for x
x = 30,088,290,027.20/281,594.70 - Step 6: Final answer
x = 106,849.63
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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.