Finding the Fourth Proportional to 135,212.60, 202,430.10 and 131,324.60
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Solution
The fourth proportional to 135,212.60, 202,430.10 and 131,324.60 is: 196,609.28
Step by Step Solution
- Step 1: Write the proportion equation
135,212.60 : 202,430.10 = 131,324.60 : x - Step 2: Convert to fraction form
135,212.60/202,430.10 = 131,324.60/x - Step 3: Cross multiply
135,212.60x = 202,430.10 × 131,324.60 - Step 4: Simplify right side
135,212.60x = 26,584,051,910.46 - Step 5: Solve for x
x = 26,584,051,910.46/135,212.60 - Step 6: Final answer
x = 196,609.28
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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.