Finding the Fourth Proportional to 121,489.67, 182,233.73 and 41,489.06
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Solution
The fourth proportional to 121,489.67, 182,233.73 and 41,489.06 is: 62,233.32
Step by Step Solution
- Step 1: Write the proportion equation
121,489.67 : 182,233.73 = 41,489.06 : x - Step 2: Convert to fraction form
121,489.67/182,233.73 = 41,489.06/x - Step 3: Cross multiply
121,489.67x = 182,233.73 × 41,489.06 - Step 4: Simplify right side
121,489.67x = 7,560,705,350.55 - Step 5: Solve for x
x = 7,560,705,350.55/121,489.67 - Step 6: Final answer
x = 62,233.32
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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.