Finding the Fourth Proportional to 481,290.08, 721,692.08 and 281,670.44
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Solution
The fourth proportional to 481,290.08, 721,692.08 and 281,670.44 is: 422,363.42
Step by Step Solution
- Step 1: Write the proportion equation
481,290.08 : 721,692.08 = 281,670.44 : x - Step 2: Convert to fraction form
481,290.08/721,692.08 = 281,670.44/x - Step 3: Cross multiply
481,290.08x = 721,692.08 × 281,670.44 - Step 4: Simplify right side
481,290.08x = 203,279,325,718.12 - Step 5: Solve for x
x = 203,279,325,718.12/481,290.08 - Step 6: Final answer
x = 422,363.42
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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.