Finding the Fourth Proportional to 851,153.76, 1,276,917.36 and 252,161.73
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Solution
The fourth proportional to 851,153.76, 1,276,917.36 and 252,161.73 is: 378,297.91
Step by Step Solution
- Step 1: Write the proportion equation
851,153.76 : 1,276,917.36 = 252,161.73 : x - Step 2: Convert to fraction form
851,153.76/1,276,917.36 = 252,161.73/x - Step 3: Cross multiply
851,153.76x = 1,276,917.36 × 252,161.73 - Step 4: Simplify right side
851,153.76x = 321,989,690,564.63 - Step 5: Solve for x
x = 321,989,690,564.63/851,153.76 - Step 6: Final answer
x = 378,297.91
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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.