Finding the Fourth Proportional to 362,552.43, 543,842.32 and 137,870.99
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Solution
The fourth proportional to 362,552.43, 543,842.32 and 137,870.99 is: 206,811.69
Step by Step Solution
- Step 1: Write the proportion equation
362,552.43 : 543,842.32 = 137,870.99 : x - Step 2: Convert to fraction form
362,552.43/543,842.32 = 137,870.99/x - Step 3: Cross multiply
362,552.43x = 543,842.32 × 137,870.99 - Step 4: Simplify right side
362,552.43x = 74,980,079,062.30 - Step 5: Solve for x
x = 74,980,079,062.30/362,552.43 - Step 6: Final answer
x = 206,811.69
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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.