Finding the Fourth Proportional to 548,121.60, 822,549.60 and 193,136.40
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Solution
The fourth proportional to 548,121.60, 822,549.60 and 193,136.40 is: 289,833.99
Step by Step Solution
- Step 1: Write the proportion equation
548,121.60 : 822,549.60 = 193,136.40 : x - Step 2: Convert to fraction form
548,121.60/822,549.60 = 193,136.40/x - Step 3: Cross multiply
548,121.60x = 822,549.60 × 193,136.40 - Step 4: Simplify right side
548,121.60x = 158,864,268,565.44 - Step 5: Solve for x
x = 158,864,268,565.44/548,121.60 - Step 6: Final answer
x = 289,833.99
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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.