Finding the Fourth Proportional to 181,809.28, 272,732.58 and 69,583.90
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Solution
The fourth proportional to 181,809.28, 272,732.58 and 69,583.90 is: 104,382.99
Step by Step Solution
- Step 1: Write the proportion equation
181,809.28 : 272,732.58 = 69,583.90 : x - Step 2: Convert to fraction form
181,809.28/272,732.58 = 69,583.90/x - Step 3: Cross multiply
181,809.28x = 272,732.58 × 69,583.90 - Step 4: Simplify right side
181,809.28x = 18,977,796,573.46 - Step 5: Solve for x
x = 18,977,796,573.46/181,809.28 - Step 6: Final answer
x = 104,382.99
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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.