Finding the Fourth Proportional to 288,034.26, 397,486.08 and 160,710.09
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Solution
The fourth proportional to 288,034.26, 397,486.08 and 160,710.09 is: 221,779.26
Step by Step Solution
- Step 1: Write the proportion equation
288,034.26 : 397,486.08 = 160,710.09 : x - Step 2: Convert to fraction form
288,034.26/397,486.08 = 160,710.09/x - Step 3: Cross multiply
288,034.26x = 397,486.08 × 160,710.09 - Step 4: Simplify right side
288,034.26x = 63,880,023,690.55 - Step 5: Solve for x
x = 63,880,023,690.55/288,034.26 - Step 6: Final answer
x = 221,779.26
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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.