Finding the Fourth Proportional to 203,723.85, 281,125.62 and 113,075.49
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Solution
The fourth proportional to 203,723.85, 281,125.62 and 113,075.49 is: 156,036.80
Step by Step Solution
- Step 1: Write the proportion equation
203,723.85 : 281,125.62 = 113,075.49 : x - Step 2: Convert to fraction form
203,723.85/281,125.62 = 113,075.49/x - Step 3: Cross multiply
203,723.85x = 281,125.62 × 113,075.49 - Step 4: Simplify right side
203,723.85x = 31,788,417,233.05 - Step 5: Solve for x
x = 31,788,417,233.05/203,723.85 - Step 6: Final answer
x = 156,036.80
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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.