Finding the Fourth Proportional to 176,731.94, 264,997.53 and 120,639.98
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Solution
The fourth proportional to 176,731.94, 264,997.53 and 120,639.98 is: 180,891.45
Step by Step Solution
- Step 1: Write the proportion equation
176,731.94 : 264,997.53 = 120,639.98 : x - Step 2: Convert to fraction form
176,731.94/264,997.53 = 120,639.98/x - Step 3: Cross multiply
176,731.94x = 264,997.53 × 120,639.98 - Step 4: Simplify right side
176,731.94x = 31,969,295,394.26 - Step 5: Solve for x
x = 31,969,295,394.26/176,731.94 - Step 6: Final answer
x = 180,891.45
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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.