Finding the Fourth Proportional to 201,186.14, 301,779.32 and 74,809.97
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Solution
The fourth proportional to 201,186.14, 301,779.32 and 74,809.97 is: 112,214.99
Step by Step Solution
- Step 1: Write the proportion equation
201,186.14 : 301,779.32 = 74,809.97 : x - Step 2: Convert to fraction form
201,186.14/301,779.32 = 74,809.97/x - Step 3: Cross multiply
201,186.14x = 301,779.32 × 74,809.97 - Step 4: Simplify right side
201,186.14x = 22,576,100,366.92 - Step 5: Solve for x
x = 22,576,100,366.92/201,186.14 - Step 6: Final answer
x = 112,214.99
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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.