Finding the Fourth Proportional to 207,667.99, 311,368.91 and 87,692.44
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Solution
The fourth proportional to 207,667.99, 311,368.91 and 87,692.44 is: 131,482.47
Step by Step Solution
- Step 1: Write the proportion equation
207,667.99 : 311,368.91 = 87,692.44 : x - Step 2: Convert to fraction form
207,667.99/311,368.91 = 87,692.44/x - Step 3: Cross multiply
207,667.99x = 311,368.91 × 87,692.44 - Step 4: Simplify right side
207,667.99x = 27,304,699,458.04 - Step 5: Solve for x
x = 27,304,699,458.04/207,667.99 - Step 6: Final answer
x = 131,482.47
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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.