Finding the Fourth Proportional to 203,860.14, 281,336.40 and 113,216.50
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Solution
The fourth proportional to 203,860.14, 281,336.40 and 113,216.50 is: 156,243.99
Step by Step Solution
- Step 1: Write the proportion equation
203,860.14 : 281,336.40 = 113,216.50 : x - Step 2: Convert to fraction form
203,860.14/281,336.40 = 113,216.50/x - Step 3: Cross multiply
203,860.14x = 281,336.40 × 113,216.50 - Step 4: Simplify right side
203,860.14x = 31,851,922,530.60 - Step 5: Solve for x
x = 31,851,922,530.60/203,860.14 - Step 6: Final answer
x = 156,243.99
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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.