Finding the Fourth Proportional to 311,013.36, 465,772.53 and 177,488.79
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Solution
The fourth proportional to 311,013.36, 465,772.53 and 177,488.79 is: 265,806.60
Step by Step Solution
- Step 1: Write the proportion equation
311,013.36 : 465,772.53 = 177,488.79 : x - Step 2: Convert to fraction form
311,013.36/465,772.53 = 177,488.79/x - Step 3: Cross multiply
311,013.36x = 465,772.53 × 177,488.79 - Step 4: Simplify right side
311,013.36x = 82,669,402,764.94 - Step 5: Solve for x
x = 82,669,402,764.94/311,013.36 - Step 6: Final answer
x = 265,806.60
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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.