Finding the Fourth Proportional to 123,692.15, 185,563.47 and 39,449.99
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Solution
The fourth proportional to 123,692.15, 185,563.47 and 39,449.99 is: 59,183.03
Step by Step Solution
- Step 1: Write the proportion equation
123,692.15 : 185,563.47 = 39,449.99 : x - Step 2: Convert to fraction form
123,692.15/185,563.47 = 39,449.99/x - Step 3: Cross multiply
123,692.15x = 185,563.47 × 39,449.99 - Step 4: Simplify right side
123,692.15x = 7,320,476,108.05 - Step 5: Solve for x
x = 7,320,476,108.05/123,692.15 - Step 6: Final answer
x = 59,183.03
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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.