Finding the Fourth Proportional to 297,639.63, 410,747.69 and 161,673.84
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Solution
The fourth proportional to 297,639.63, 410,747.69 and 161,673.84 is: 223,112.62
Step by Step Solution
- Step 1: Write the proportion equation
297,639.63 : 410,747.69 = 161,673.84 : x - Step 2: Convert to fraction form
297,639.63/410,747.69 = 161,673.84/x - Step 3: Cross multiply
297,639.63x = 410,747.69 × 161,673.84 - Step 4: Simplify right side
297,639.63x = 66,407,156,717.61 - Step 5: Solve for x
x = 66,407,156,717.61/297,639.63 - Step 6: Final answer
x = 223,112.62
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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.