Finding the Fourth Proportional to 335,678.31, 463,247.79 and 182,729.09
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Solution
The fourth proportional to 335,678.31, 463,247.79 and 182,729.09 is: 252,172.53
Step by Step Solution
- Step 1: Write the proportion equation
335,678.31 : 463,247.79 = 182,729.09 : x - Step 2: Convert to fraction form
335,678.31/463,247.79 = 182,729.09/x - Step 3: Cross multiply
335,678.31x = 463,247.79 × 182,729.09 - Step 4: Simplify right side
335,678.31x = 84,648,847,111.21 - Step 5: Solve for x
x = 84,648,847,111.21/335,678.31 - Step 6: Final answer
x = 252,172.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.