Finding the Fourth Proportional to 115,694.05, 173,554.98 and 40,798.75
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Solution
The fourth proportional to 115,694.05, 173,554.98 and 40,798.75 is: 61,203.03
Step by Step Solution
- Step 1: Write the proportion equation
115,694.05 : 173,554.98 = 40,798.75 : x - Step 2: Convert to fraction form
115,694.05/173,554.98 = 40,798.75/x - Step 3: Cross multiply
115,694.05x = 173,554.98 × 40,798.75 - Step 4: Simplify right side
115,694.05x = 7,080,826,240.28 - Step 5: Solve for x
x = 7,080,826,240.28/115,694.05 - Step 6: Final answer
x = 61,203.03
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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.