Finding the Fourth Proportional to 204,836.09, 282,513.56 and 133,238.97
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Solution
The fourth proportional to 204,836.09, 282,513.56 and 133,238.97 is: 183,765.55
Step by Step Solution
- Step 1: Write the proportion equation
204,836.09 : 282,513.56 = 133,238.97 : x - Step 2: Convert to fraction form
204,836.09/282,513.56 = 133,238.97/x - Step 3: Cross multiply
204,836.09x = 282,513.56 × 133,238.97 - Step 4: Simplify right side
204,836.09x = 37,641,815,079.24 - Step 5: Solve for x
x = 37,641,815,079.24/204,836.09 - Step 6: Final answer
x = 183,765.55
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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.