Finding the Fourth Proportional to 416,532.99, 574,819.61 and 225,550.47
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Solution
The fourth proportional to 416,532.99, 574,819.61 and 225,550.47 is: 311,261.86
Step by Step Solution
- Step 1: Write the proportion equation
416,532.99 : 574,819.61 = 225,550.47 : x - Step 2: Convert to fraction form
416,532.99/574,819.61 = 225,550.47/x - Step 3: Cross multiply
416,532.99x = 574,819.61 × 225,550.47 - Step 4: Simplify right side
416,532.99x = 129,650,832,072.96 - Step 5: Solve for x
x = 129,650,832,072.96/416,532.99 - Step 6: Final answer
x = 311,261.86
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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.