Finding the Fourth Proportional to 738,552.42, 1,108,015.26 and 206,073.12
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Solution
The fourth proportional to 738,552.42, 1,108,015.26 and 206,073.12 is: 309,161.75
Step by Step Solution
- Step 1: Write the proportion equation
738,552.42 : 1,108,015.26 = 206,073.12 : x - Step 2: Convert to fraction form
738,552.42/1,108,015.26 = 206,073.12/x - Step 3: Cross multiply
738,552.42x = 1,108,015.26 × 206,073.12 - Step 4: Simplify right side
738,552.42x = 228,332,161,635.81 - Step 5: Solve for x
x = 228,332,161,635.81/738,552.42 - Step 6: Final answer
x = 309,161.75
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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.