Finding the Fourth Proportional to 211,879.23, 317,751.30 and 69,692.01
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Solution
The fourth proportional to 211,879.23, 317,751.30 and 69,692.01 is: 104,515.80
Step by Step Solution
- Step 1: Write the proportion equation
211,879.23 : 317,751.30 = 69,692.01 : x - Step 2: Convert to fraction form
211,879.23/317,751.30 = 69,692.01/x - Step 3: Cross multiply
211,879.23x = 317,751.30 × 69,692.01 - Step 4: Simplify right side
211,879.23x = 22,144,726,777.11 - Step 5: Solve for x
x = 22,144,726,777.11/211,879.23 - Step 6: Final answer
x = 104,515.80
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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.