Finding the Fourth Proportional to 188,020.24, 259,469.12 and 107,450.75
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Solution
The fourth proportional to 188,020.24, 259,469.12 and 107,450.75 is: 148,282.72
Step by Step Solution
- Step 1: Write the proportion equation
188,020.24 : 259,469.12 = 107,450.75 : x - Step 2: Convert to fraction form
188,020.24/259,469.12 = 107,450.75/x - Step 3: Cross multiply
188,020.24x = 259,469.12 × 107,450.75 - Step 4: Simplify right side
188,020.24x = 27,880,152,463.14 - Step 5: Solve for x
x = 27,880,152,463.14/188,020.24 - Step 6: Final answer
x = 148,282.72
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1.5x scale
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.