Finding the Fourth Proportional to 263,463.68, 394,495.68 and 205,964.48
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Solution
The fourth proportional to 263,463.68, 394,495.68 and 205,964.48 is: 308,399.62
Step by Step Solution
- Step 1: Write the proportion equation
263,463.68 : 394,495.68 = 205,964.48 : x - Step 2: Convert to fraction form
263,463.68/394,495.68 = 205,964.48/x - Step 3: Cross multiply
263,463.68x = 394,495.68 × 205,964.48 - Step 4: Simplify right side
263,463.68x = 81,252,097,593.45 - Step 5: Solve for x
x = 81,252,097,593.45/263,463.68 - Step 6: Final answer
x = 308,399.62
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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.