Finding the Fourth Proportional to 201,945.13, 302,917.69 and 54,201.13
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Solution
The fourth proportional to 201,945.13, 302,917.69 and 54,201.13 is: 81,301.69
Step by Step Solution
- Step 1: Write the proportion equation
201,945.13 : 302,917.69 = 54,201.13 : x - Step 2: Convert to fraction form
201,945.13/302,917.69 = 54,201.13/x - Step 3: Cross multiply
201,945.13x = 302,917.69 × 54,201.13 - Step 4: Simplify right side
201,945.13x = 16,418,481,094.99 - Step 5: Solve for x
x = 16,418,481,094.99/201,945.13 - Step 6: Final answer
x = 81,301.69
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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.