Finding the Fourth Proportional to 154,524.44, 213,207.18 and 87,456.44
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Solution
The fourth proportional to 154,524.44, 213,207.18 and 87,456.44 is: 120,669.20
Step by Step Solution
- Step 1: Write the proportion equation
154,524.44 : 213,207.18 = 87,456.44 : x - Step 2: Convert to fraction form
154,524.44/213,207.18 = 87,456.44/x - Step 3: Cross multiply
154,524.44x = 213,207.18 × 87,456.44 - Step 4: Simplify right side
154,524.44x = 18,646,340,945.24 - Step 5: Solve for x
x = 18,646,340,945.24/154,524.44 - Step 6: Final answer
x = 120,669.20
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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.