Finding the Fourth Proportional to 115,520.80, 173,313.60 and 48,992.80
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Solution
The fourth proportional to 115,520.80, 173,313.60 and 48,992.80 is: 73,502.94
Step by Step Solution
- Step 1: Write the proportion equation
115,520.80 : 173,313.60 = 48,992.80 : x - Step 2: Convert to fraction form
115,520.80/173,313.60 = 48,992.80/x - Step 3: Cross multiply
115,520.80x = 173,313.60 × 48,992.80 - Step 4: Simplify right side
115,520.80x = 8,491,118,542.08 - Step 5: Solve for x
x = 8,491,118,542.08/115,520.80 - Step 6: Final answer
x = 73,502.94
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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.