Finding the Fourth Proportional to 543,634.40, 750,240.36 and 301,917.92
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Solution
The fourth proportional to 543,634.40, 750,240.36 and 301,917.92 is: 416,660.55
Step by Step Solution
- Step 1: Write the proportion equation
543,634.40 : 750,240.36 = 301,917.92 : x - Step 2: Convert to fraction form
543,634.40/750,240.36 = 301,917.92/x - Step 3: Cross multiply
543,634.40x = 750,240.36 × 301,917.92 - Step 4: Simplify right side
543,634.40x = 226,511,008,991.25 - Step 5: Solve for x
x = 226,511,008,991.25/543,634.40 - Step 6: Final answer
x = 416,660.55
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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.