Finding the Fourth Proportional to 288,060.44, 397,710.68 and 257,793.75
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Solution
The fourth proportional to 288,060.44, 397,710.68 and 257,793.75 is: 355,922.97
Step by Step Solution
- Step 1: Write the proportion equation
288,060.44 : 397,710.68 = 257,793.75 : x - Step 2: Convert to fraction form
288,060.44/397,710.68 = 257,793.75/x - Step 3: Cross multiply
288,060.44x = 397,710.68 × 257,793.75 - Step 4: Simplify right side
288,060.44x = 102,527,326,323.28 - Step 5: Solve for x
x = 102,527,326,323.28/288,060.44 - Step 6: Final answer
x = 355,922.97
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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.