Finding the Fourth Proportional to 179,369.36, 268,389.68 and 112,274.88
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Solution
The fourth proportional to 179,369.36, 268,389.68 and 112,274.88 is: 167,996.47
Step by Step Solution
- Step 1: Write the proportion equation
179,369.36 : 268,389.68 = 112,274.88 : x - Step 2: Convert to fraction form
179,369.36/268,389.68 = 112,274.88/x - Step 3: Cross multiply
179,369.36x = 268,389.68 × 112,274.88 - Step 4: Simplify right side
179,369.36x = 30,133,419,115.24 - Step 5: Solve for x
x = 30,133,419,115.24/179,369.36 - Step 6: Final answer
x = 167,996.47
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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.