Finding the Fourth Proportional to 313,790.49, 470,571.84 and 171,740.70
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Solution
The fourth proportional to 313,790.49, 470,571.84 and 171,740.70 is: 257,548.71
Step by Step Solution
- Step 1: Write the proportion equation
313,790.49 : 470,571.84 = 171,740.70 : x - Step 2: Convert to fraction form
313,790.49/470,571.84 = 171,740.70/x - Step 3: Cross multiply
313,790.49x = 470,571.84 × 171,740.70 - Step 4: Simplify right side
313,790.49x = 80,816,337,201.89 - Step 5: Solve for x
x = 80,816,337,201.89/313,790.49 - Step 6: Final answer
x = 257,548.71
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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.