Finding the Fourth Proportional to 449,885.75, 674,692.36 and 236,538.70
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Solution
The fourth proportional to 449,885.75, 674,692.36 and 236,538.70 is: 354,736.40
Step by Step Solution
- Step 1: Write the proportion equation
449,885.75 : 674,692.36 = 236,538.70 : x - Step 2: Convert to fraction form
449,885.75/674,692.36 = 236,538.70/x - Step 3: Cross multiply
449,885.75x = 674,692.36 × 236,538.70 - Step 4: Simplify right side
449,885.75x = 159,590,851,456.25 - Step 5: Solve for x
x = 159,590,851,456.25/449,885.75 - Step 6: Final answer
x = 354,736.40
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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.