Finding the Fourth Proportional to 204,041.40, 306,062.10 and 124,207.80
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Solution
The fourth proportional to 204,041.40, 306,062.10 and 124,207.80 is: 186,311.70
Step by Step Solution
- Step 1: Write the proportion equation
204,041.40 : 306,062.10 = 124,207.80 : x - Step 2: Convert to fraction form
204,041.40/306,062.10 = 124,207.80/x - Step 3: Cross multiply
204,041.40x = 306,062.10 × 124,207.80 - Step 4: Simplify right side
204,041.40x = 38,015,300,104.38 - Step 5: Solve for x
x = 38,015,300,104.38/204,041.40 - Step 6: Final answer
x = 186,311.70
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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.