Finding the Fourth Proportional to 489,841.27, 734,769.69 and 186,240.05
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Solution
The fourth proportional to 489,841.27, 734,769.69 and 186,240.05 is: 279,363.03
Step by Step Solution
- Step 1: Write the proportion equation
489,841.27 : 734,769.69 = 186,240.05 : x - Step 2: Convert to fraction form
489,841.27/734,769.69 = 186,240.05/x - Step 3: Cross multiply
489,841.27x = 734,769.69 × 186,240.05 - Step 4: Simplify right side
489,841.27x = 136,843,543,804.08 - Step 5: Solve for x
x = 136,843,543,804.08/489,841.27 - Step 6: Final answer
x = 279,363.03
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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.