Finding the Fourth Proportional to 311,717.36, 430,161.33 and 175,750.10
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Solution
The fourth proportional to 311,717.36, 430,161.33 and 175,750.10 is: 242,530.28
Step by Step Solution
- Step 1: Write the proportion equation
311,717.36 : 430,161.33 = 175,750.10 : x - Step 2: Convert to fraction form
311,717.36/430,161.33 = 175,750.10/x - Step 3: Cross multiply
311,717.36x = 430,161.33 × 175,750.10 - Step 4: Simplify right side
311,717.36x = 75,600,899,304.65 - Step 5: Solve for x
x = 75,600,899,304.65/311,717.36 - Step 6: Final answer
x = 242,530.28
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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.