Finding the Fourth Proportional to 295,843.07, 408,163.70 and 168,428.45
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Solution
The fourth proportional to 295,843.07, 408,163.70 and 168,428.45 is: 232,374.47
Step by Step Solution
- Step 1: Write the proportion equation
295,843.07 : 408,163.70 = 168,428.45 : x - Step 2: Convert to fraction form
295,843.07/408,163.70 = 168,428.45/x - Step 3: Cross multiply
295,843.07x = 408,163.70 × 168,428.45 - Step 4: Simplify right side
295,843.07x = 68,746,376,454.30 - Step 5: Solve for x
x = 68,746,376,454.30/295,843.07 - Step 6: Final answer
x = 232,374.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.