Finding the Fourth Proportional to 263,640.64, 395,528.37 and 76,652.14
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Solution
The fourth proportional to 263,640.64, 395,528.37 and 76,652.14 is: 114,997.81
Step by Step Solution
- Step 1: Write the proportion equation
263,640.64 : 395,528.37 = 76,652.14 : x - Step 2: Convert to fraction form
263,640.64/395,528.37 = 76,652.14/x - Step 3: Cross multiply
263,640.64x = 395,528.37 × 76,652.14 - Step 4: Simplify right side
263,640.64x = 30,318,095,991.21 - Step 5: Solve for x
x = 30,318,095,991.21/263,640.64 - Step 6: Final answer
x = 114,997.81
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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.