Finding the Fourth Proportional to 115,581.84, 173,394.28 and 36,674.80
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Solution
The fourth proportional to 115,581.84, 173,394.28 and 36,674.80 is: 55,019.03
Step by Step Solution
- Step 1: Write the proportion equation
115,581.84 : 173,394.28 = 36,674.80 : x - Step 2: Convert to fraction form
115,581.84/173,394.28 = 36,674.80/x - Step 3: Cross multiply
115,581.84x = 173,394.28 × 36,674.80 - Step 4: Simplify right side
115,581.84x = 6,359,200,540.14 - Step 5: Solve for x
x = 6,359,200,540.14/115,581.84 - Step 6: Final answer
x = 55,019.03
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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.