Finding the Fourth Proportional to 135,348.60, 202,850.10 and 104,028.60
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Solution
The fourth proportional to 135,348.60, 202,850.10 and 104,028.60 is: 155,910.09
Step by Step Solution
- Step 1: Write the proportion equation
135,348.60 : 202,850.10 = 104,028.60 : x - Step 2: Convert to fraction form
135,348.60/202,850.10 = 104,028.60/x - Step 3: Cross multiply
135,348.60x = 202,850.10 × 104,028.60 - Step 4: Simplify right side
135,348.60x = 21,102,211,912.86 - Step 5: Solve for x
x = 21,102,211,912.86/135,348.60 - Step 6: Final answer
x = 155,910.09
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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.