Finding the Fourth Proportional to 416,579.87, 574,879.07 and 225,593.21
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Solution
The fourth proportional to 416,579.87, 574,879.07 and 225,593.21 is: 311,318.00
Step by Step Solution
- Step 1: Write the proportion equation
416,579.87 : 574,879.07 = 225,593.21 : x - Step 2: Convert to fraction form
416,579.87/574,879.07 = 225,593.21/x - Step 3: Cross multiply
416,579.87x = 574,879.07 × 225,593.21 - Step 4: Simplify right side
416,579.87x = 129,688,810,760.75 - Step 5: Solve for x
x = 129,688,810,760.75/416,579.87 - Step 6: Final answer
x = 311,318.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.