Finding the Fourth Proportional to 204,194.40, 306,291.60 and 147,769.80
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Solution
The fourth proportional to 204,194.40, 306,291.60 and 147,769.80 is: 221,654.70
Step by Step Solution
- Step 1: Write the proportion equation
204,194.40 : 306,291.60 = 147,769.80 : x - Step 2: Convert to fraction form
204,194.40/306,291.60 = 147,769.80/x - Step 3: Cross multiply
204,194.40x = 306,291.60 × 147,769.80 - Step 4: Simplify right side
204,194.40x = 45,260,648,473.68 - Step 5: Solve for x
x = 45,260,648,473.68/204,194.40 - Step 6: Final answer
x = 221,654.70
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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.