Finding the Fourth Proportional to 362,081.68, 543,122.99 and 125,424.35
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Solution
The fourth proportional to 362,081.68, 543,122.99 and 125,424.35 is: 188,136.69
Step by Step Solution
- Step 1: Write the proportion equation
362,081.68 : 543,122.99 = 125,424.35 : x - Step 2: Convert to fraction form
362,081.68/543,122.99 = 125,424.35/x - Step 3: Cross multiply
362,081.68x = 543,122.99 × 125,424.35 - Step 4: Simplify right side
362,081.68x = 68,120,847,155.12 - Step 5: Solve for x
x = 68,120,847,155.12/362,081.68 - Step 6: Final answer
x = 188,136.69
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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.