Finding the Fourth Proportional to 203,869.21, 281,347.43 and 113,232.08
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Solution
The fourth proportional to 203,869.21, 281,347.43 and 113,232.08 is: 156,264.67
Step by Step Solution
- Step 1: Write the proportion equation
203,869.21 : 281,347.43 = 113,232.08 : x - Step 2: Convert to fraction form
203,869.21/281,347.43 = 113,232.08/x - Step 3: Cross multiply
203,869.21x = 281,347.43 × 113,232.08 - Step 4: Simplify right side
203,869.21x = 31,857,554,420.64 - Step 5: Solve for x
x = 31,857,554,420.64/203,869.21 - Step 6: Final answer
x = 156,264.67
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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.