Finding the Fourth Proportional to 548,176.80, 822,265.20 and 193,591.20
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Solution
The fourth proportional to 548,176.80, 822,265.20 and 193,591.20 is: 290,386.80
Step by Step Solution
- Step 1: Write the proportion equation
548,176.80 : 822,265.20 = 193,591.20 : x - Step 2: Convert to fraction form
548,176.80/822,265.20 = 193,591.20/x - Step 3: Cross multiply
548,176.80x = 822,265.20 × 193,591.20 - Step 4: Simplify right side
548,176.80x = 159,183,306,786.24 - Step 5: Solve for x
x = 159,183,306,786.24/548,176.80 - Step 6: Final answer
x = 290,386.80
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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.