Finding the Fourth Proportional to 416,183.20, 574,334.80 and 234,902.80
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Solution
The fourth proportional to 416,183.20, 574,334.80 and 234,902.80 is: 324,166.98
Step by Step Solution
- Step 1: Write the proportion equation
416,183.20 : 574,334.80 = 234,902.80 : x - Step 2: Convert to fraction form
416,183.20/574,334.80 = 234,902.80/x - Step 3: Cross multiply
416,183.20x = 574,334.80 × 234,902.80 - Step 4: Simplify right side
416,183.20x = 134,912,852,657.44 - Step 5: Solve for x
x = 134,912,852,657.44/416,183.20 - Step 6: Final answer
x = 324,166.98
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1.5x scale
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.