Finding the Fourth Proportional to 208,524.24, 312,818.76 and 68,250.60
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Solution
The fourth proportional to 208,524.24, 312,818.76 and 68,250.60 is: 102,386.50
Step by Step Solution
- Step 1: Write the proportion equation
208,524.24 : 312,818.76 = 68,250.60 : x - Step 2: Convert to fraction form
208,524.24/312,818.76 = 68,250.60/x - Step 3: Cross multiply
208,524.24x = 312,818.76 × 68,250.60 - Step 4: Simplify right side
208,524.24x = 21,350,068,061.26 - Step 5: Solve for x
x = 21,350,068,061.26/208,524.24 - Step 6: Final answer
x = 102,386.50
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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.