Finding the Fourth Proportional to 106,814.24, 160,232.34 and 40,310.36
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Solution
The fourth proportional to 106,814.24, 160,232.34 and 40,310.36 is: 60,469.68
Step by Step Solution
- Step 1: Write the proportion equation
106,814.24 : 160,232.34 = 40,310.36 : x - Step 2: Convert to fraction form
106,814.24/160,232.34 = 40,310.36/x - Step 3: Cross multiply
106,814.24x = 160,232.34 × 40,310.36 - Step 4: Simplify right side
106,814.24x = 6,459,023,309.04 - Step 5: Solve for x
x = 6,459,023,309.04/106,814.24 - Step 6: Final answer
x = 60,469.68
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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.