Finding the Fourth Proportional to 361,850.09, 542,391.80 and 121,735.31
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Solution
The fourth proportional to 361,850.09, 542,391.80 and 121,735.31 is: 182,473.99
Step by Step Solution
- Step 1: Write the proportion equation
361,850.09 : 542,391.80 = 121,735.31 : x - Step 2: Convert to fraction form
361,850.09/542,391.80 = 121,735.31/x - Step 3: Cross multiply
361,850.09x = 542,391.80 × 121,735.31 - Step 4: Simplify right side
361,850.09x = 66,028,230,593.82 - Step 5: Solve for x
x = 66,028,230,593.82/361,850.09 - Step 6: Final answer
x = 182,473.99
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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.