Finding the Fourth Proportional to 226,913.76, 313,226.67 and 178,389.09
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Solution
The fourth proportional to 226,913.76, 313,226.67 and 178,389.09 is: 246,244.30
Step by Step Solution
- Step 1: Write the proportion equation
226,913.76 : 313,226.67 = 178,389.09 : x - Step 2: Convert to fraction form
226,913.76/313,226.67 = 178,389.09/x - Step 3: Cross multiply
226,913.76x = 313,226.67 × 178,389.09 - Step 4: Simplify right side
226,913.76x = 55,876,220,625.03 - Step 5: Solve for x
x = 55,876,220,625.03/226,913.76 - Step 6: Final answer
x = 246,244.30
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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.