Finding the Fourth Proportional to 203,682.14, 305,404.81 and 136,291.19
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Solution
The fourth proportional to 203,682.14, 305,404.81 and 136,291.19 is: 204,357.56
Step by Step Solution
- Step 1: Write the proportion equation
203,682.14 : 305,404.81 = 136,291.19 : x - Step 2: Convert to fraction form
203,682.14/305,404.81 = 136,291.19/x - Step 3: Cross multiply
203,682.14x = 305,404.81 × 136,291.19 - Step 4: Simplify right side
203,682.14x = 41,623,985,638.03 - Step 5: Solve for x
x = 41,623,985,638.03/203,682.14 - Step 6: Final answer
x = 204,357.56
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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.