Finding the Fourth Proportional to 259,939.44, 389,882.23 and 176,237.28
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Solution
The fourth proportional to 259,939.44, 389,882.23 and 176,237.28 is: 264,337.66
Step by Step Solution
- Step 1: Write the proportion equation
259,939.44 : 389,882.23 = 176,237.28 : x - Step 2: Convert to fraction form
259,939.44/389,882.23 = 176,237.28/x - Step 3: Cross multiply
259,939.44x = 389,882.23 × 176,237.28 - Step 4: Simplify right side
259,939.44x = 68,711,783,294.94 - Step 5: Solve for x
x = 68,711,783,294.94/259,939.44 - Step 6: Final answer
x = 264,337.66
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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.