Finding the Fourth Proportional to 263,975.97, 395,943.28 and 74,428.68
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Solution
The fourth proportional to 263,975.97, 395,943.28 and 74,428.68 is: 111,637.19
Step by Step Solution
- Step 1: Write the proportion equation
263,975.97 : 395,943.28 = 74,428.68 : x - Step 2: Convert to fraction form
263,975.97/395,943.28 = 74,428.68/x - Step 3: Cross multiply
263,975.97x = 395,943.28 × 74,428.68 - Step 4: Simplify right side
263,975.97x = 29,469,535,685.27 - Step 5: Solve for x
x = 29,469,535,685.27/263,975.97 - Step 6: Final answer
x = 111,637.19
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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.