Finding the Fourth Proportional to 226,647.05, 312,757.50 and 131,168.09
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Solution
The fourth proportional to 226,647.05, 312,757.50 and 131,168.09 is: 181,003.04
Step by Step Solution
- Step 1: Write the proportion equation
226,647.05 : 312,757.50 = 131,168.09 : x - Step 2: Convert to fraction form
226,647.05/312,757.50 = 131,168.09/x - Step 3: Cross multiply
226,647.05x = 312,757.50 × 131,168.09 - Step 4: Simplify right side
226,647.05x = 41,023,805,181.95 - Step 5: Solve for x
x = 41,023,805,181.95/226,647.05 - Step 6: Final answer
x = 181,003.04
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1.5x scale
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.