Finding the Fourth Proportional to 288,125.28, 397,596.69 and 160,809.06
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Solution
The fourth proportional to 288,125.28, 397,596.69 and 160,809.06 is: 221,907.46
Step by Step Solution
- Step 1: Write the proportion equation
288,125.28 : 397,596.69 = 160,809.06 : x - Step 2: Convert to fraction form
288,125.28/397,596.69 = 160,809.06/x - Step 3: Cross multiply
288,125.28x = 397,596.69 × 160,809.06 - Step 4: Simplify right side
288,125.28x = 63,937,149,978.01 - Step 5: Solve for x
x = 63,937,149,978.01/288,125.28 - Step 6: Final answer
x = 221,907.46
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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.