Finding the Fourth Proportional to 362,072.73, 543,099.94 and 172,666.99
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Solution
The fourth proportional to 362,072.73, 543,099.94 and 172,666.99 is: 258,996.12
Step by Step Solution
- Step 1: Write the proportion equation
362,072.73 : 543,099.94 = 172,666.99 : x - Step 2: Convert to fraction form
362,072.73/543,099.94 = 172,666.99/x - Step 3: Cross multiply
362,072.73x = 543,099.94 × 172,666.99 - Step 4: Simplify right side
362,072.73x = 93,775,432,156.19 - Step 5: Solve for x
x = 93,775,432,156.19/362,072.73 - Step 6: Final answer
x = 258,996.12
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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.