Finding the Fourth Proportional to 226,579.43, 339,869.14 and 107,890.94
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Solution
The fourth proportional to 226,579.43, 339,869.14 and 107,890.94 is: 161,836.41
Step by Step Solution
- Step 1: Write the proportion equation
226,579.43 : 339,869.14 = 107,890.94 : x - Step 2: Convert to fraction form
226,579.43/339,869.14 = 107,890.94/x - Step 3: Cross multiply
226,579.43x = 339,869.14 × 107,890.94 - Step 4: Simplify right side
226,579.43x = 36,668,799,963.22 - Step 5: Solve for x
x = 36,668,799,963.22/226,579.43 - Step 6: Final answer
x = 161,836.41
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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.