Finding the Fourth Proportional to 374,219.92, 561,367.68 and 121,489.84
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Solution
The fourth proportional to 374,219.92, 561,367.68 and 121,489.84 is: 182,247.03
Step by Step Solution
- Step 1: Write the proportion equation
374,219.92 : 561,367.68 = 121,489.84 : x - Step 2: Convert to fraction form
374,219.92/561,367.68 = 121,489.84/x - Step 3: Cross multiply
374,219.92x = 561,367.68 × 121,489.84 - Step 4: Simplify right side
374,219.92x = 68,200,469,624.37 - Step 5: Solve for x
x = 68,200,469,624.37/374,219.92 - Step 6: Final answer
x = 182,247.03
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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.