Finding the Fourth Proportional to 329,093.13, 493,639.70 and 79,775.13
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Solution
The fourth proportional to 329,093.13, 493,639.70 and 79,775.13 is: 119,662.70
Step by Step Solution
- Step 1: Write the proportion equation
329,093.13 : 493,639.70 = 79,775.13 : x - Step 2: Convert to fraction form
329,093.13/493,639.70 = 79,775.13/x - Step 3: Cross multiply
329,093.13x = 493,639.70 × 79,775.13 - Step 4: Simplify right side
329,093.13x = 39,380,171,240.66 - Step 5: Solve for x
x = 39,380,171,240.66/329,093.13 - Step 6: Final answer
x = 119,662.70
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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.