Finding the Fourth Proportional to 107,489.80, 161,236.28 and 40,933.62
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Solution
The fourth proportional to 107,489.80, 161,236.28 and 40,933.62 is: 61,401.03
Step by Step Solution
- Step 1: Write the proportion equation
107,489.80 : 161,236.28 = 40,933.62 : x - Step 2: Convert to fraction form
107,489.80/161,236.28 = 40,933.62/x - Step 3: Cross multiply
107,489.80x = 161,236.28 × 40,933.62 - Step 4: Simplify right side
107,489.80x = 6,599,984,615.73 - Step 5: Solve for x
x = 6,599,984,615.73/107,489.80 - Step 6: Final answer
x = 61,401.03
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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.