Finding the Fourth Proportional to 122,394.49, 183,610.26 and 43,489.96
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Solution
The fourth proportional to 122,394.49, 183,610.26 and 43,489.96 is: 65,241.52
Step by Step Solution
- Step 1: Write the proportion equation
122,394.49 : 183,610.26 = 43,489.96 : x - Step 2: Convert to fraction form
122,394.49/183,610.26 = 43,489.96/x - Step 3: Cross multiply
122,394.49x = 183,610.26 × 43,489.96 - Step 4: Simplify right side
122,394.49x = 7,985,202,403.96 - Step 5: Solve for x
x = 7,985,202,403.96/122,394.49 - Step 6: Final answer
x = 65,241.52
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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.