Finding the Fourth Proportional to 416,713.09, 624,640.57 and 163,891.07
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Solution
The fourth proportional to 416,713.09, 624,640.57 and 163,891.07 is: 245,667.86
Step by Step Solution
- Step 1: Write the proportion equation
416,713.09 : 624,640.57 = 163,891.07 : x - Step 2: Convert to fraction form
416,713.09/624,640.57 = 163,891.07/x - Step 3: Cross multiply
416,713.09x = 624,640.57 × 163,891.07 - Step 4: Simplify right side
416,713.09x = 102,373,011,382.71 - Step 5: Solve for x
x = 102,373,011,382.71/416,713.09 - Step 6: Final answer
x = 245,667.86
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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.