Finding the Fourth Proportional to 203,842.48, 281,293.14 and 113,204.20
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Solution
The fourth proportional to 203,842.48, 281,293.14 and 113,204.20 is: 156,216.53
Step by Step Solution
- Step 1: Write the proportion equation
203,842.48 : 281,293.14 = 113,204.20 : x - Step 2: Convert to fraction form
203,842.48/281,293.14 = 113,204.20/x - Step 3: Cross multiply
203,842.48x = 281,293.14 × 113,204.20 - Step 4: Simplify right side
203,842.48x = 31,843,564,879.19 - Step 5: Solve for x
x = 31,843,564,879.19/203,842.48 - Step 6: Final answer
x = 156,216.53
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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.