Finding the Fourth Proportional to 135,219.60, 202,440.60 and 131,331.60
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Solution
The fourth proportional to 135,219.60, 202,440.60 and 131,331.60 is: 196,619.78
Step by Step Solution
- Step 1: Write the proportion equation
135,219.60 : 202,440.60 = 131,331.60 : x - Step 2: Convert to fraction form
135,219.60/202,440.60 = 131,331.60/x - Step 3: Cross multiply
135,219.60x = 202,440.60 × 131,331.60 - Step 4: Simplify right side
135,219.60x = 26,586,847,902.96 - Step 5: Solve for x
x = 26,586,847,902.96/135,219.60 - Step 6: Final answer
x = 196,619.78
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1.5x scale
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.