Finding the Fourth Proportional to 203,714.36, 281,124.84 and 113,071.40
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Solution
The fourth proportional to 203,714.36, 281,124.84 and 113,071.40 is: 156,037.99
Step by Step Solution
- Step 1: Write the proportion equation
203,714.36 : 281,124.84 = 113,071.40 : x - Step 2: Convert to fraction form
203,714.36/281,124.84 = 113,071.40/x - Step 3: Cross multiply
203,714.36x = 281,124.84 × 113,071.40 - Step 4: Simplify right side
203,714.36x = 31,787,179,233.58 - Step 5: Solve for x
x = 31,787,179,233.58/203,714.36 - Step 6: Final answer
x = 156,037.99
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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.