Finding the Fourth Proportional to 319,724.91, 441,252.75 and 274,552.44
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Solution
The fourth proportional to 319,724.91, 441,252.75 and 274,552.44 is: 378,910.17
Step by Step Solution
- Step 1: Write the proportion equation
319,724.91 : 441,252.75 = 274,552.44 : x - Step 2: Convert to fraction form
319,724.91/441,252.75 = 274,552.44/x - Step 3: Cross multiply
319,724.91x = 441,252.75 × 274,552.44 - Step 4: Simplify right side
319,724.91x = 121,147,019,169.21 - Step 5: Solve for x
x = 121,147,019,169.21/319,724.91 - Step 6: Final answer
x = 378,910.17
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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.