Finding the Fourth Proportional to 226,673.52, 312,819.96 and 131,161.68
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Solution
The fourth proportional to 226,673.52, 312,819.96 and 131,161.68 is: 181,009.20
Step by Step Solution
- Step 1: Write the proportion equation
226,673.52 : 312,819.96 = 131,161.68 : x - Step 2: Convert to fraction form
226,673.52/312,819.96 = 131,161.68/x - Step 3: Cross multiply
226,673.52x = 312,819.96 × 131,161.68 - Step 4: Simplify right side
226,673.52x = 41,029,991,491.13 - Step 5: Solve for x
x = 41,029,991,491.13/226,673.52 - Step 6: Final answer
x = 181,009.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.