Finding the Fourth Proportional to 135,231.70, 202,847.55 and 36,735.70
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Solution
The fourth proportional to 135,231.70, 202,847.55 and 36,735.70 is: 55,103.55
Step by Step Solution
- Step 1: Write the proportion equation
135,231.70 : 202,847.55 = 36,735.70 : x - Step 2: Convert to fraction form
135,231.70/202,847.55 = 36,735.70/x - Step 3: Cross multiply
135,231.70x = 202,847.55 × 36,735.70 - Step 4: Simplify right side
135,231.70x = 7,451,746,742.54 - Step 5: Solve for x
x = 7,451,746,742.54/135,231.70 - Step 6: Final answer
x = 55,103.55
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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.