Finding the Fourth Proportional to 285,552.49, 394,062.31 and 170,835.99
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Solution
The fourth proportional to 285,552.49, 394,062.31 and 170,835.99 is: 235,753.58
Step by Step Solution
- Step 1: Write the proportion equation
285,552.49 : 394,062.31 = 170,835.99 : x - Step 2: Convert to fraction form
285,552.49/394,062.31 = 170,835.99/x - Step 3: Cross multiply
285,552.49x = 394,062.31 × 170,835.99 - Step 4: Simplify right side
285,552.49x = 67,320,022,880.23 - Step 5: Solve for x
x = 67,320,022,880.23/285,552.49 - Step 6: Final answer
x = 235,753.58
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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.