Finding the Fourth Proportional to 203,857.80, 305,786.70 and 173,677.20
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Solution
The fourth proportional to 203,857.80, 305,786.70 and 173,677.20 is: 260,515.80
Step by Step Solution
- Step 1: Write the proportion equation
203,857.80 : 305,786.70 = 173,677.20 : x - Step 2: Convert to fraction form
203,857.80/305,786.70 = 173,677.20/x - Step 3: Cross multiply
203,857.80x = 305,786.70 × 173,677.20 - Step 4: Simplify right side
203,857.80x = 53,108,177,853.24 - Step 5: Solve for x
x = 53,108,177,853.24/203,857.80 - Step 6: Final answer
x = 260,515.80
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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.