Finding the Fourth Proportional to 235,201.17, 324,577.90 and 127,771.21
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Solution
The fourth proportional to 235,201.17, 324,577.90 and 127,771.21 is: 176,324.42
Step by Step Solution
- Step 1: Write the proportion equation
235,201.17 : 324,577.90 = 127,771.21 : x - Step 2: Convert to fraction form
235,201.17/324,577.90 = 127,771.21/x - Step 3: Cross multiply
235,201.17x = 324,577.90 × 127,771.21 - Step 4: Simplify right side
235,201.17x = 41,471,711,022.26 - Step 5: Solve for x
x = 41,471,711,022.26/235,201.17 - Step 6: Final answer
x = 176,324.42
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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.