Finding the Fourth Proportional to 321,951.26, 444,312.88 and 178,713.70
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Solution
The fourth proportional to 321,951.26, 444,312.88 and 178,713.70 is: 246,636.09
Step by Step Solution
- Step 1: Write the proportion equation
321,951.26 : 444,312.88 = 178,713.70 : x - Step 2: Convert to fraction form
321,951.26/444,312.88 = 178,713.70/x - Step 3: Cross multiply
321,951.26x = 444,312.88 × 178,713.70 - Step 4: Simplify right side
321,951.26x = 79,404,798,742.46 - Step 5: Solve for x
x = 79,404,798,742.46/321,951.26 - Step 6: Final answer
x = 246,636.09
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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.