Finding the Fourth Proportional to 204,220.38, 281,528.68 and 135,194.17
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Solution
The fourth proportional to 204,220.38, 281,528.68 and 135,194.17 is: 186,372.37
Step by Step Solution
- Step 1: Write the proportion equation
204,220.38 : 281,528.68 = 135,194.17 : x - Step 2: Convert to fraction form
204,220.38/281,528.68 = 135,194.17/x - Step 3: Cross multiply
204,220.38x = 281,528.68 × 135,194.17 - Step 4: Simplify right side
204,220.38x = 38,061,035,885.81 - Step 5: Solve for x
x = 38,061,035,885.81/204,220.38 - Step 6: Final answer
x = 186,372.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.