Finding the Fourth Proportional to 135,072.14, 202,608.27 and 35,232.20
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Solution
The fourth proportional to 135,072.14, 202,608.27 and 35,232.20 is: 52,848.32
Step by Step Solution
- Step 1: Write the proportion equation
135,072.14 : 202,608.27 = 35,232.20 : x - Step 2: Convert to fraction form
135,072.14/202,608.27 = 35,232.20/x - Step 3: Cross multiply
135,072.14x = 202,608.27 × 35,232.20 - Step 4: Simplify right side
135,072.14x = 7,138,335,090.29 - Step 5: Solve for x
x = 7,138,335,090.29/135,072.14 - Step 6: Final answer
x = 52,848.32
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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.