Finding the Fourth Proportional to 201,112.60, 301,755.30 and 102,616.60
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Solution
The fourth proportional to 201,112.60, 301,755.30 and 102,616.60 is: 153,968.99
Step by Step Solution
- Step 1: Write the proportion equation
201,112.60 : 301,755.30 = 102,616.60 : x - Step 2: Convert to fraction form
201,112.60/301,755.30 = 102,616.60/x - Step 3: Cross multiply
201,112.60x = 301,755.30 × 102,616.60 - Step 4: Simplify right side
201,112.60x = 30,965,102,917.98 - Step 5: Solve for x
x = 30,965,102,917.98/201,112.60 - Step 6: Final answer
x = 153,968.99
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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.