Finding the Fourth Proportional to 195,185.97, 269,354.43 and 105,761.97
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Solution
The fourth proportional to 195,185.97, 269,354.43 and 105,761.97 is: 145,950.32
Step by Step Solution
- Step 1: Write the proportion equation
195,185.97 : 269,354.43 = 105,761.97 : x - Step 2: Convert to fraction form
195,185.97/269,354.43 = 105,761.97/x - Step 3: Cross multiply
195,185.97x = 269,354.43 × 105,761.97 - Step 4: Simplify right side
195,185.97x = 28,487,455,145.03 - Step 5: Solve for x
x = 28,487,455,145.03/195,185.97 - Step 6: Final answer
x = 145,950.32
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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.