Finding the Fourth Proportional to 210,396.44, 315,692.24 and 92,052.20
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Solution
The fourth proportional to 210,396.44, 315,692.24 and 92,052.20 is: 138,120.99
Step by Step Solution
- Step 1: Write the proportion equation
210,396.44 : 315,692.24 = 92,052.20 : x - Step 2: Convert to fraction form
210,396.44/315,692.24 = 92,052.20/x - Step 3: Cross multiply
210,396.44x = 315,692.24 × 92,052.20 - Step 4: Simplify right side
210,396.44x = 29,060,165,214.93 - Step 5: Solve for x
x = 29,060,165,214.93/210,396.44 - Step 6: Final answer
x = 138,120.99
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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.