Finding the Fourth Proportional to 203,881.31, 281,356.21 and 114,457.31
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Solution
The fourth proportional to 203,881.31, 281,356.21 and 114,457.31 is: 157,951.09
Step by Step Solution
- Step 1: Write the proportion equation
203,881.31 : 281,356.21 = 114,457.31 : x - Step 2: Convert to fraction form
203,881.31/281,356.21 = 114,457.31/x - Step 3: Cross multiply
203,881.31x = 281,356.21 × 114,457.31 - Step 4: Simplify right side
203,881.31x = 32,203,275,794.86 - Step 5: Solve for x
x = 32,203,275,794.86/203,881.31 - Step 6: Final answer
x = 157,951.09
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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.