Finding the Fourth Proportional to 204,062.40, 306,093.60 and 147,637.80
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Solution
The fourth proportional to 204,062.40, 306,093.60 and 147,637.80 is: 221,456.70
Step by Step Solution
- Step 1: Write the proportion equation
204,062.40 : 306,093.60 = 147,637.80 : x - Step 2: Convert to fraction form
204,062.40/306,093.60 = 147,637.80/x - Step 3: Cross multiply
204,062.40x = 306,093.60 × 147,637.80 - Step 4: Simplify right side
204,062.40x = 45,190,985,698.08 - Step 5: Solve for x
x = 45,190,985,698.08/204,062.40 - Step 6: Final answer
x = 221,456.70
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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.