Finding the Fourth Proportional to 203,223.87, 280,463.72 and 122,670.99
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Solution
The fourth proportional to 203,223.87, 280,463.72 and 122,670.99 is: 169,294.88
Step by Step Solution
- Step 1: Write the proportion equation
203,223.87 : 280,463.72 = 122,670.99 : x - Step 2: Convert to fraction form
203,223.87/280,463.72 = 122,670.99/x - Step 3: Cross multiply
203,223.87x = 280,463.72 × 122,670.99 - Step 4: Simplify right side
203,223.87x = 34,404,761,578.13 - Step 5: Solve for x
x = 34,404,761,578.13/203,223.87 - Step 6: Final answer
x = 169,294.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.