Finding the Fourth Proportional to 275,093.11, 412,639.67 and 181,576.99
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Solution
The fourth proportional to 275,093.11, 412,639.67 and 181,576.99 is: 272,365.49
Step by Step Solution
- Step 1: Write the proportion equation
275,093.11 : 412,639.67 = 181,576.99 : x - Step 2: Convert to fraction form
275,093.11/412,639.67 = 181,576.99/x - Step 3: Cross multiply
275,093.11x = 412,639.67 × 181,576.99 - Step 4: Simplify right side
275,093.11x = 74,925,869,233.19 - Step 5: Solve for x
x = 74,925,869,233.19/275,093.11 - Step 6: Final answer
x = 272,365.49
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1.5x scale
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.