Finding the Fourth Proportional to 263,873.17, 395,921.84 and 130,755.94
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Solution
The fourth proportional to 263,873.17, 395,921.84 and 130,755.94 is: 196,189.45
Step by Step Solution
- Step 1: Write the proportion equation
263,873.17 : 395,921.84 = 130,755.94 : x - Step 2: Convert to fraction form
263,873.17/395,921.84 = 130,755.94/x - Step 3: Cross multiply
263,873.17x = 395,921.84 × 130,755.94 - Step 4: Simplify right side
263,873.17x = 51,769,132,355.73 - Step 5: Solve for x
x = 51,769,132,355.73/263,873.17 - Step 6: Final answer
x = 196,189.45
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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.