Finding the Fourth Proportional to 416,286.21, 624,678.44 and 179,628.91
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Solution
The fourth proportional to 416,286.21, 624,678.44 and 179,628.91 is: 269,550.86
Step by Step Solution
- Step 1: Write the proportion equation
416,286.21 : 624,678.44 = 179,628.91 : x - Step 2: Convert to fraction form
416,286.21/624,678.44 = 179,628.91/x - Step 3: Cross multiply
416,286.21x = 624,678.44 × 179,628.91 - Step 4: Simplify right side
416,286.21x = 112,210,307,277.70 - Step 5: Solve for x
x = 112,210,307,277.70/416,286.21 - Step 6: Final answer
x = 269,550.86
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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.