Finding the Fourth Proportional to 329,313.75, 493,971.84 and 79,995.75
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Solution
The fourth proportional to 329,313.75, 493,971.84 and 79,995.75 is: 119,993.92
Step by Step Solution
- Step 1: Write the proportion equation
329,313.75 : 493,971.84 = 79,995.75 : x - Step 2: Convert to fraction form
329,313.75/493,971.84 = 79,995.75/x - Step 3: Cross multiply
329,313.75x = 493,971.84 × 79,995.75 - Step 4: Simplify right side
329,313.75x = 39,515,647,819.68 - Step 5: Solve for x
x = 39,515,647,819.68/329,313.75 - Step 6: Final answer
x = 119,993.92
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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.