Finding the Fourth Proportional to 201,881.09, 302,755.01 and 66,914.03
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Solution
The fourth proportional to 201,881.09, 302,755.01 and 66,914.03 is: 100,348.96
Step by Step Solution
- Step 1: Write the proportion equation
201,881.09 : 302,755.01 = 66,914.03 : x - Step 2: Convert to fraction form
201,881.09/302,755.01 = 66,914.03/x - Step 3: Cross multiply
201,881.09x = 302,755.01 × 66,914.03 - Step 4: Simplify right side
201,881.09x = 20,258,555,973.45 - Step 5: Solve for x
x = 20,258,555,973.45/201,881.09 - Step 6: Final answer
x = 100,348.96
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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.