Finding the Fourth Proportional to 204,942.21, 282,846.17 and 124,365.09
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Solution
The fourth proportional to 204,942.21, 282,846.17 and 124,365.09 is: 171,639.55
Step by Step Solution
- Step 1: Write the proportion equation
204,942.21 : 282,846.17 = 124,365.09 : x - Step 2: Convert to fraction form
204,942.21/282,846.17 = 124,365.09/x - Step 3: Cross multiply
204,942.21x = 282,846.17 × 124,365.09 - Step 4: Simplify right side
204,942.21x = 35,176,188,766.38 - Step 5: Solve for x
x = 35,176,188,766.38/204,942.21 - Step 6: Final answer
x = 171,639.55
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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.