Finding the Fourth Proportional to 135,245.40, 202,868.10 and 124,164.60
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Solution
The fourth proportional to 135,245.40, 202,868.10 and 124,164.60 is: 186,246.90
Step by Step Solution
- Step 1: Write the proportion equation
135,245.40 : 202,868.10 = 124,164.60 : x - Step 2: Convert to fraction form
135,245.40/202,868.10 = 124,164.60/x - Step 3: Cross multiply
135,245.40x = 202,868.10 × 124,164.60 - Step 4: Simplify right side
135,245.40x = 25,189,036,489.26 - Step 5: Solve for x
x = 25,189,036,489.26/135,245.40 - Step 6: Final answer
x = 186,246.90
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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.