Finding the Fourth Proportional to 173,984.79, 261,003.11 and 80,499.99
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Solution
The fourth proportional to 173,984.79, 261,003.11 and 80,499.99 is: 120,761.98
Step by Step Solution
- Step 1: Write the proportion equation
173,984.79 : 261,003.11 = 80,499.99 : x - Step 2: Convert to fraction form
173,984.79/261,003.11 = 80,499.99/x - Step 3: Cross multiply
173,984.79x = 261,003.11 × 80,499.99 - Step 4: Simplify right side
173,984.79x = 21,010,747,342.47 - Step 5: Solve for x
x = 21,010,747,342.47/173,984.79 - Step 6: Final answer
x = 120,761.98
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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.