Finding the Fourth Proportional to 203,786.74, 281,030.26 and 131,115.46
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Solution
The fourth proportional to 203,786.74, 281,030.26 and 131,115.46 is: 180,813.59
Step by Step Solution
- Step 1: Write the proportion equation
203,786.74 : 281,030.26 = 131,115.46 : x - Step 2: Convert to fraction form
203,786.74/281,030.26 = 131,115.46/x - Step 3: Cross multiply
203,786.74x = 281,030.26 × 131,115.46 - Step 4: Simplify right side
203,786.74x = 36,847,411,556.23 - Step 5: Solve for x
x = 36,847,411,556.23/203,786.74 - Step 6: Final answer
x = 180,813.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.