Finding the Fourth Proportional to 203,922.79, 281,458.46 and 113,309.91
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Solution
The fourth proportional to 203,922.79, 281,458.46 and 113,309.91 is: 156,392.69
Step by Step Solution
- Step 1: Write the proportion equation
203,922.79 : 281,458.46 = 113,309.91 : x - Step 2: Convert to fraction form
203,922.79/281,458.46 = 113,309.91/x - Step 3: Cross multiply
203,922.79x = 281,458.46 × 113,309.91 - Step 4: Simplify right side
203,922.79x = 31,892,033,054.61 - Step 5: Solve for x
x = 31,892,033,054.61/203,922.79 - Step 6: Final answer
x = 156,392.69
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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.