Finding the Fourth Proportional to 107,846.77, 161,771.18 and 28,960.99
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Solution
The fourth proportional to 107,846.77, 161,771.18 and 28,960.99 is: 43,441.76
Step by Step Solution
- Step 1: Write the proportion equation
107,846.77 : 161,771.18 = 28,960.99 : x - Step 2: Convert to fraction form
107,846.77/161,771.18 = 28,960.99/x - Step 3: Cross multiply
107,846.77x = 161,771.18 × 28,960.99 - Step 4: Simplify right side
107,846.77x = 4,685,053,526.27 - Step 5: Solve for x
x = 4,685,053,526.27/107,846.77 - Step 6: Final answer
x = 43,441.76
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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.