Finding the Fourth Proportional to 115,884.08, 173,826.12 and 53,546.48
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Solution
The fourth proportional to 115,884.08, 173,826.12 and 53,546.48 is: 80,319.72
Step by Step Solution
- Step 1: Write the proportion equation
115,884.08 : 173,826.12 = 53,546.48 : x - Step 2: Convert to fraction form
115,884.08/173,826.12 = 53,546.48/x - Step 3: Cross multiply
115,884.08x = 173,826.12 × 53,546.48 - Step 4: Simplify right side
115,884.08x = 9,307,776,858.06 - Step 5: Solve for x
x = 9,307,776,858.06/115,884.08 - Step 6: Final answer
x = 80,319.72
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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.