Finding the Fourth Proportional to 135,270.40, 202,905.60 and 134,492.80
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Solution
The fourth proportional to 135,270.40, 202,905.60 and 134,492.80 is: 201,739.20
Step by Step Solution
- Step 1: Write the proportion equation
135,270.40 : 202,905.60 = 134,492.80 : x - Step 2: Convert to fraction form
135,270.40/202,905.60 = 134,492.80/x - Step 3: Cross multiply
135,270.40x = 202,905.60 × 134,492.80 - Step 4: Simplify right side
135,270.40x = 27,289,342,279.68 - Step 5: Solve for x
x = 27,289,342,279.68/135,270.40 - Step 6: Final answer
x = 201,739.20
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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.