Finding the Fourth Proportional to 177,857.26, 266,786.34 and 72,676.21
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Solution
The fourth proportional to 177,857.26, 266,786.34 and 72,676.21 is: 109,014.50
Step by Step Solution
- Step 1: Write the proportion equation
177,857.26 : 266,786.34 = 72,676.21 : x - Step 2: Convert to fraction form
177,857.26/266,786.34 = 72,676.21/x - Step 3: Cross multiply
177,857.26x = 266,786.34 × 72,676.21 - Step 4: Simplify right side
177,857.26x = 19,389,020,070.97 - Step 5: Solve for x
x = 19,389,020,070.97/177,857.26 - Step 6: Final answer
x = 109,014.50
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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.