Finding the Fourth Proportional to 392,018.26, 541,289.92 and 301,231.12
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Solution
The fourth proportional to 392,018.26, 541,289.92 and 301,231.12 is: 415,933.09
Step by Step Solution
- Step 1: Write the proportion equation
392,018.26 : 541,289.92 = 301,231.12 : x - Step 2: Convert to fraction form
392,018.26/541,289.92 = 301,231.12/x - Step 3: Cross multiply
392,018.26x = 541,289.92 × 301,231.12 - Step 4: Simplify right side
392,018.26x = 163,053,365,386.78 - Step 5: Solve for x
x = 163,053,365,386.78/392,018.26 - Step 6: Final answer
x = 415,933.09
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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.