Finding the Fourth Proportional to 287,906.24, 397,310.64 and 160,581.92
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Solution
The fourth proportional to 287,906.24, 397,310.64 and 160,581.92 is: 221,603.07
Step by Step Solution
- Step 1: Write the proportion equation
287,906.24 : 397,310.64 = 160,581.92 : x - Step 2: Convert to fraction form
287,906.24/397,310.64 = 160,581.92/x - Step 3: Cross multiply
287,906.24x = 397,310.64 × 160,581.92 - Step 4: Simplify right side
287,906.24x = 63,800,905,407.63 - Step 5: Solve for x
x = 63,800,905,407.63/287,906.24 - Step 6: Final answer
x = 221,603.07
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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.