Finding the Fourth Proportional to 208,523.58, 313,283.92 and 133,790.52
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Solution
The fourth proportional to 208,523.58, 313,283.92 and 133,790.52 is: 201,005.65
Step by Step Solution
- Step 1: Write the proportion equation
208,523.58 : 313,283.92 = 133,790.52 : x - Step 2: Convert to fraction form
208,523.58/313,283.92 = 133,790.52/x - Step 3: Cross multiply
208,523.58x = 313,283.92 × 133,790.52 - Step 4: Simplify right side
208,523.58x = 41,914,418,564.44 - Step 5: Solve for x
x = 41,914,418,564.44/208,523.58 - Step 6: Final answer
x = 201,005.65
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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.