Finding the Fourth Proportional to 177,857.80, 266,138.70 and 131,201.80
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Solution
The fourth proportional to 177,857.80, 266,138.70 and 131,201.80 is: 196,324.68
Step by Step Solution
- Step 1: Write the proportion equation
177,857.80 : 266,138.70 = 131,201.80 : x - Step 2: Convert to fraction form
177,857.80/266,138.70 = 131,201.80/x - Step 3: Cross multiply
177,857.80x = 266,138.70 × 131,201.80 - Step 4: Simplify right side
177,857.80x = 34,917,876,489.66 - Step 5: Solve for x
x = 34,917,876,489.66/177,857.80 - Step 6: Final answer
x = 196,324.68
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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.