Finding the Fourth Proportional to 213,676.58, 320,562.26 and 80,557.99
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Solution
The fourth proportional to 213,676.58, 320,562.26 and 80,557.99 is: 120,854.85
Step by Step Solution
- Step 1: Write the proportion equation
213,676.58 : 320,562.26 = 80,557.99 : x - Step 2: Convert to fraction form
213,676.58/320,562.26 = 80,557.99/x - Step 3: Cross multiply
213,676.58x = 320,562.26 × 80,557.99 - Step 4: Simplify right side
213,676.58x = 25,823,852,236.52 - Step 5: Solve for x
x = 25,823,852,236.52/213,676.58 - Step 6: Final answer
x = 120,854.85
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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.