Finding the Fourth Proportional to 188,026.08, 281,898.84 and 113,128.68
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Solution
The fourth proportional to 188,026.08, 281,898.84 and 113,128.68 is: 169,608.62
Step by Step Solution
- Step 1: Write the proportion equation
188,026.08 : 281,898.84 = 113,128.68 : x - Step 2: Convert to fraction form
188,026.08/281,898.84 = 113,128.68/x - Step 3: Cross multiply
188,026.08x = 281,898.84 × 113,128.68 - Step 4: Simplify right side
188,026.08x = 31,890,843,662.73 - Step 5: Solve for x
x = 31,890,843,662.73/188,026.08 - Step 6: Final answer
x = 169,608.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.