Finding the Fourth Proportional to 263,705.44, 395,625.12 and 76,716.76
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Solution
The fourth proportional to 263,705.44, 395,625.12 and 76,716.76 is: 115,094.62
Step by Step Solution
- Step 1: Write the proportion equation
263,705.44 : 395,625.12 = 76,716.76 : x - Step 2: Convert to fraction form
263,705.44/395,625.12 = 76,716.76/x - Step 3: Cross multiply
263,705.44x = 395,625.12 × 76,716.76 - Step 4: Simplify right side
263,705.44x = 30,351,077,381.01 - Step 5: Solve for x
x = 30,351,077,381.01/263,705.44 - Step 6: Final answer
x = 115,094.62
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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.