Finding the Fourth Proportional to 159,682.26, 239,457.49 and 54,509.70
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Solution
The fourth proportional to 159,682.26, 239,457.49 and 54,509.70 is: 81,742.05
Step by Step Solution
- Step 1: Write the proportion equation
159,682.26 : 239,457.49 = 54,509.70 : x - Step 2: Convert to fraction form
159,682.26/239,457.49 = 54,509.70/x - Step 3: Cross multiply
159,682.26x = 239,457.49 × 54,509.70 - Step 4: Simplify right side
159,682.26x = 13,052,755,942.65 - Step 5: Solve for x
x = 13,052,755,942.65/159,682.26 - Step 6: Final answer
x = 81,742.05
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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.