Finding the Fourth Proportional to 504,216.78, 756,309.84 and 204,690.12
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Solution
The fourth proportional to 504,216.78, 756,309.84 and 204,690.12 is: 307,028.96
Step by Step Solution
- Step 1: Write the proportion equation
504,216.78 : 756,309.84 = 204,690.12 : x - Step 2: Convert to fraction form
504,216.78/756,309.84 = 204,690.12/x - Step 3: Cross multiply
504,216.78x = 756,309.84 × 204,690.12 - Step 4: Simplify right side
504,216.78x = 154,809,151,906.78 - Step 5: Solve for x
x = 154,809,151,906.78/504,216.78 - Step 6: Final answer
x = 307,028.96
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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.