Finding the Fourth Proportional to 288,107.58, 397,578.04 and 159,043.29
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Solution
The fourth proportional to 288,107.58, 397,578.04 and 159,043.29 is: 219,473.98
Step by Step Solution
- Step 1: Write the proportion equation
288,107.58 : 397,578.04 = 159,043.29 : x - Step 2: Convert to fraction form
288,107.58/397,578.04 = 159,043.29/x - Step 3: Cross multiply
288,107.58x = 397,578.04 × 159,043.29 - Step 4: Simplify right side
288,107.58x = 63,232,118,221.24 - Step 5: Solve for x
x = 63,232,118,221.24/288,107.58 - Step 6: Final answer
x = 219,473.98
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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.