Finding the Fourth Proportional to 179,163.40, 268,745.10 and 159,809.80
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Solution
The fourth proportional to 179,163.40, 268,745.10 and 159,809.80 is: 239,714.70
Step by Step Solution
- Step 1: Write the proportion equation
179,163.40 : 268,745.10 = 159,809.80 : x - Step 2: Convert to fraction form
179,163.40/268,745.10 = 159,809.80/x - Step 3: Cross multiply
179,163.40x = 268,745.10 × 159,809.80 - Step 4: Simplify right side
179,163.40x = 42,948,100,681.98 - Step 5: Solve for x
x = 42,948,100,681.98/179,163.40 - Step 6: Final answer
x = 239,714.70
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1.5x scale
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.