Finding the Fourth Proportional to 201,105.36, 301,695.08 and 66,176.96
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Solution
The fourth proportional to 201,105.36, 301,695.08 and 66,176.96 is: 99,277.63
Step by Step Solution
- Step 1: Write the proportion equation
201,105.36 : 301,695.08 = 66,176.96 : x - Step 2: Convert to fraction form
201,105.36/301,695.08 = 66,176.96/x - Step 3: Cross multiply
201,105.36x = 301,695.08 × 66,176.96 - Step 4: Simplify right side
201,105.36x = 19,965,263,241.36 - Step 5: Solve for x
x = 19,965,263,241.36/201,105.36 - Step 6: Final answer
x = 99,277.63
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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.