Finding the Fourth Proportional to 135,218.60, 202,439.10 and 131,330.60
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Solution
The fourth proportional to 135,218.60, 202,439.10 and 131,330.60 is: 196,618.28
Step by Step Solution
- Step 1: Write the proportion equation
135,218.60 : 202,439.10 = 131,330.60 : x - Step 2: Convert to fraction form
135,218.60/202,439.10 = 131,330.60/x - Step 3: Cross multiply
135,218.60x = 202,439.10 × 131,330.60 - Step 4: Simplify right side
135,218.60x = 26,586,448,466.46 - Step 5: Solve for x
x = 26,586,448,466.46/135,218.60 - Step 6: Final answer
x = 196,618.28
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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.