Finding the Fourth Proportional to 226,098.63, 338,704.55 and 131,129.31
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Solution
The fourth proportional to 226,098.63, 338,704.55 and 131,129.31 is: 196,436.81
Step by Step Solution
- Step 1: Write the proportion equation
226,098.63 : 338,704.55 = 131,129.31 : x - Step 2: Convert to fraction form
226,098.63/338,704.55 = 131,129.31/x - Step 3: Cross multiply
226,098.63x = 338,704.55 × 131,129.31 - Step 4: Simplify right side
226,098.63x = 44,414,092,783.07 - Step 5: Solve for x
x = 44,414,092,783.07/226,098.63 - Step 6: Final answer
x = 196,436.81
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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.