Finding the Fourth Proportional to 289,383.76, 399,352.37 and 160,324.97
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Solution
The fourth proportional to 289,383.76, 399,352.37 and 160,324.97 is: 221,250.00
Step by Step Solution
- Step 1: Write the proportion equation
289,383.76 : 399,352.37 = 160,324.97 : x - Step 2: Convert to fraction form
289,383.76/399,352.37 = 160,324.97/x - Step 3: Cross multiply
289,383.76x = 399,352.37 × 160,324.97 - Step 4: Simplify right side
289,383.76x = 64,026,156,936.44 - Step 5: Solve for x
x = 64,026,156,936.44/289,383.76 - Step 6: Final answer
x = 221,250.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.