Finding the Fourth Proportional to 804,988.10, 1,207,523.46 and 205,954.42
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Solution
The fourth proportional to 804,988.10, 1,207,523.46 and 205,954.42 is: 308,942.20
Step by Step Solution
- Step 1: Write the proportion equation
804,988.10 : 1,207,523.46 = 205,954.42 : x - Step 2: Convert to fraction form
804,988.10/1,207,523.46 = 205,954.42/x - Step 3: Cross multiply
804,988.10x = 1,207,523.46 × 205,954.42 - Step 4: Simplify right side
804,988.10x = 248,694,793,840.69 - Step 5: Solve for x
x = 248,694,793,840.69/804,988.10 - Step 6: Final answer
x = 308,942.20
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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.