Finding the Fourth Proportional to 261,975.05, 393,115.05 and 110,161.17
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Solution
The fourth proportional to 261,975.05, 393,115.05 and 110,161.17 is: 165,305.87
Step by Step Solution
- Step 1: Write the proportion equation
261,975.05 : 393,115.05 = 110,161.17 : x - Step 2: Convert to fraction form
261,975.05/393,115.05 = 110,161.17/x - Step 3: Cross multiply
261,975.05x = 393,115.05 × 110,161.17 - Step 4: Simplify right side
261,975.05x = 43,306,013,852.61 - Step 5: Solve for x
x = 43,306,013,852.61/261,975.05 - Step 6: Final answer
x = 165,305.87
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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.