Finding the Fourth Proportional to 362,600.47, 543,900.84 and 137,908.99
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Solution
The fourth proportional to 362,600.47, 543,900.84 and 137,908.99 is: 206,863.54
Step by Step Solution
- Step 1: Write the proportion equation
362,600.47 : 543,900.84 = 137,908.99 : x - Step 2: Convert to fraction form
362,600.47/543,900.84 = 137,908.99/x - Step 3: Cross multiply
362,600.47x = 543,900.84 × 137,908.99 - Step 4: Simplify right side
362,600.47x = 75,008,815,504.55 - Step 5: Solve for x
x = 75,008,815,504.55/362,600.47 - Step 6: Final answer
x = 206,863.54
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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.