Finding the Fourth Proportional to 204,086.74, 305,918.70 and 147,786.08
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Solution
The fourth proportional to 204,086.74, 305,918.70 and 147,786.08 is: 221,526.03
Step by Step Solution
- Step 1: Write the proportion equation
204,086.74 : 305,918.70 = 147,786.08 : x - Step 2: Convert to fraction form
204,086.74/305,918.70 = 147,786.08/x - Step 3: Cross multiply
204,086.74x = 305,918.70 × 147,786.08 - Step 4: Simplify right side
204,086.74x = 45,210,525,471.70 - Step 5: Solve for x
x = 45,210,525,471.70/204,086.74 - Step 6: Final answer
x = 221,526.03
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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.