Finding the Fourth Proportional to 305,939.94, 422,257.56 and 195,487.98
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Solution
The fourth proportional to 305,939.94, 422,257.56 and 195,487.98 is: 269,812.03
Step by Step Solution
- Step 1: Write the proportion equation
305,939.94 : 422,257.56 = 195,487.98 : x - Step 2: Convert to fraction form
305,939.94/422,257.56 = 195,487.98/x - Step 3: Cross multiply
305,939.94x = 422,257.56 × 195,487.98 - Step 4: Simplify right side
305,939.94x = 82,546,277,444.13 - Step 5: Solve for x
x = 82,546,277,444.13/305,939.94 - Step 6: Final answer
x = 269,812.03
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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.