Finding the Fourth Proportional to 135,261.70, 202,892.55 and 131,805.70
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Solution
The fourth proportional to 135,261.70, 202,892.55 and 131,805.70 is: 197,708.55
Step by Step Solution
- Step 1: Write the proportion equation
135,261.70 : 202,892.55 = 131,805.70 : x - Step 2: Convert to fraction form
135,261.70/202,892.55 = 131,805.70/x - Step 3: Cross multiply
135,261.70x = 202,892.55 × 131,805.70 - Step 4: Simplify right side
135,261.70x = 26,742,394,577.54 - Step 5: Solve for x
x = 26,742,394,577.54/135,261.70 - Step 6: Final answer
x = 197,708.55
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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.