Finding the Fourth Proportional to 115,753.28, 173,628.12 and 36,866.84
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Solution
The fourth proportional to 115,753.28, 173,628.12 and 36,866.84 is: 55,299.69
Step by Step Solution
- Step 1: Write the proportion equation
115,753.28 : 173,628.12 = 36,866.84 : x - Step 2: Convert to fraction form
115,753.28/173,628.12 = 36,866.84/x - Step 3: Cross multiply
115,753.28x = 173,628.12 × 36,866.84 - Step 4: Simplify right side
115,753.28x = 6,401,120,119.54 - Step 5: Solve for x
x = 6,401,120,119.54/115,753.28 - Step 6: Final answer
x = 55,299.69
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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.