Finding the Fourth Proportional to 215,620.96, 323,457.36 and 110,411.68
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Solution
The fourth proportional to 215,620.96, 323,457.36 and 110,411.68 is: 165,630.79
Step by Step Solution
- Step 1: Write the proportion equation
215,620.96 : 323,457.36 = 110,411.68 : x - Step 2: Convert to fraction form
215,620.96/323,457.36 = 110,411.68/x - Step 3: Cross multiply
215,620.96x = 323,457.36 × 110,411.68 - Step 4: Simplify right side
215,620.96x = 35,713,470,525.96 - Step 5: Solve for x
x = 35,713,470,525.96/215,620.96 - Step 6: Final answer
x = 165,630.79
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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.