Finding the Fourth Proportional to 97,693.70, 146,518.37 and 27,578.48
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Solution
The fourth proportional to 97,693.70, 146,518.37 and 27,578.48 is: 41,361.45
Step by Step Solution
- Step 1: Write the proportion equation
97,693.70 : 146,518.37 = 27,578.48 : x - Step 2: Convert to fraction form
97,693.70/146,518.37 = 27,578.48/x - Step 3: Cross multiply
97,693.70x = 146,518.37 × 27,578.48 - Step 4: Simplify right side
97,693.70x = 4,040,753,169.61 - Step 5: Solve for x
x = 4,040,753,169.61/97,693.70 - Step 6: Final answer
x = 41,361.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.