Finding the Fourth Proportional to 135,272.40, 202,908.60 and 134,494.80
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Solution
The fourth proportional to 135,272.40, 202,908.60 and 134,494.80 is: 201,742.20
Step by Step Solution
- Step 1: Write the proportion equation
135,272.40 : 202,908.60 = 134,494.80 : x - Step 2: Convert to fraction form
135,272.40/202,908.60 = 134,494.80/x - Step 3: Cross multiply
135,272.40x = 202,908.60 × 134,494.80 - Step 4: Simplify right side
135,272.40x = 27,290,151,575.28 - Step 5: Solve for x
x = 27,290,151,575.28/135,272.40 - Step 6: Final answer
x = 201,742.20
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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.