Finding the Fourth Proportional to 199,563.44, 299,351.64 and 104,769.68
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Solution
The fourth proportional to 199,563.44, 299,351.64 and 104,769.68 is: 157,157.92
Step by Step Solution
- Step 1: Write the proportion equation
199,563.44 : 299,351.64 = 104,769.68 : x - Step 2: Convert to fraction form
199,563.44/299,351.64 = 104,769.68/x - Step 3: Cross multiply
199,563.44x = 299,351.64 × 104,769.68 - Step 4: Simplify right side
199,563.44x = 31,362,975,530.28 - Step 5: Solve for x
x = 31,362,975,530.28/199,563.44 - Step 6: Final answer
x = 157,157.92
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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.