Finding the Fourth Proportional to 288,272.80, 397,817.24 and 160,952.95
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Solution
The fourth proportional to 288,272.80, 397,817.24 and 160,952.95 is: 222,115.50
Step by Step Solution
- Step 1: Write the proportion equation
288,272.80 : 397,817.24 = 160,952.95 : x - Step 2: Convert to fraction form
288,272.80/397,817.24 = 160,952.95/x - Step 3: Cross multiply
288,272.80x = 397,817.24 × 160,952.95 - Step 4: Simplify right side
288,272.80x = 64,029,857,534.09 - Step 5: Solve for x
x = 64,029,857,534.09/288,272.80 - Step 6: Final answer
x = 222,115.50
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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.