Finding the Fourth Proportional to 548,696.84, 757,170.72 and 303,668.19
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Solution
The fourth proportional to 548,696.84, 757,170.72 and 303,668.19 is: 419,044.99
Step by Step Solution
- Step 1: Write the proportion equation
548,696.84 : 757,170.72 = 303,668.19 : x - Step 2: Convert to fraction form
548,696.84/757,170.72 = 303,668.19/x - Step 3: Cross multiply
548,696.84x = 757,170.72 × 303,668.19 - Step 4: Simplify right side
548,696.84x = 229,928,662,063.40 - Step 5: Solve for x
x = 229,928,662,063.40/548,696.84 - Step 6: Final answer
x = 419,044.99
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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.