Finding the Fourth Proportional to 285,987.03, 394,336.93 and 182,481.99
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Solution
The fourth proportional to 285,987.03, 394,336.93 and 182,481.99 is: 251,617.66
Step by Step Solution
- Step 1: Write the proportion equation
285,987.03 : 394,336.93 = 182,481.99 : x - Step 2: Convert to fraction form
285,987.03/394,336.93 = 182,481.99/x - Step 3: Cross multiply
285,987.03x = 394,336.93 × 182,481.99 - Step 4: Simplify right side
285,987.03x = 71,959,387,716.89 - Step 5: Solve for x
x = 71,959,387,716.89/285,987.03 - Step 6: Final answer
x = 251,617.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.