Finding the Fourth Proportional to 135,093.60, 202,640.40 and 124,207.20
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Solution
The fourth proportional to 135,093.60, 202,640.40 and 124,207.20 is: 186,310.80
Step by Step Solution
- Step 1: Write the proportion equation
135,093.60 : 202,640.40 = 124,207.20 : x - Step 2: Convert to fraction form
135,093.60/202,640.40 = 124,207.20/x - Step 3: Cross multiply
135,093.60x = 202,640.40 × 124,207.20 - Step 4: Simplify right side
135,093.60x = 25,169,396,690.88 - Step 5: Solve for x
x = 25,169,396,690.88/135,093.60 - Step 6: Final answer
x = 186,310.80
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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.