Finding the Fourth Proportional to 299,524.12, 449,383.38 and 89,163.88
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Solution
The fourth proportional to 299,524.12, 449,383.38 and 89,163.88 is: 133,774.75
Step by Step Solution
- Step 1: Write the proportion equation
299,524.12 : 449,383.38 = 89,163.88 : x - Step 2: Convert to fraction form
299,524.12/449,383.38 = 89,163.88/x - Step 3: Cross multiply
299,524.12x = 449,383.38 × 89,163.88 - Step 4: Simplify right side
299,524.12x = 40,068,765,768.31 - Step 5: Solve for x
x = 40,068,765,768.31/299,524.12 - Step 6: Final answer
x = 133,774.75
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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.