Finding the Fourth Proportional to 288,329.76, 397,893.48 and 159,277.11
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Solution
The fourth proportional to 288,329.76, 397,893.48 and 159,277.11 is: 219,801.53
Step by Step Solution
- Step 1: Write the proportion equation
288,329.76 : 397,893.48 = 159,277.11 : x - Step 2: Convert to fraction form
288,329.76/397,893.48 = 159,277.11/x - Step 3: Cross multiply
288,329.76x = 397,893.48 × 159,277.11 - Step 4: Simplify right side
288,329.76x = 63,375,323,582.24 - Step 5: Solve for x
x = 63,375,323,582.24/288,329.76 - Step 6: Final answer
x = 219,801.53
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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.