Finding the Fourth Proportional to 470,790.29, 649,676.90 and 266,859.97
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Solution
The fourth proportional to 470,790.29, 649,676.90 and 266,859.97 is: 368,258.99
Step by Step Solution
- Step 1: Write the proportion equation
470,790.29 : 649,676.90 = 266,859.97 : x - Step 2: Convert to fraction form
470,790.29/649,676.90 = 266,859.97/x - Step 3: Cross multiply
470,790.29x = 649,676.90 × 266,859.97 - Step 4: Simplify right side
470,790.29x = 173,372,757,086.65 - Step 5: Solve for x
x = 173,372,757,086.65/470,790.29 - Step 6: Final answer
x = 368,258.99
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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.