Finding the Fourth Proportional to 288,312.44, 397,765.74 and 180,843.26
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Solution
The fourth proportional to 288,312.44, 397,765.74 and 180,843.26 is: 249,497.57
Step by Step Solution
- Step 1: Write the proportion equation
288,312.44 : 397,765.74 = 180,843.26 : x - Step 2: Convert to fraction form
288,312.44/397,765.74 = 180,843.26/x - Step 3: Cross multiply
288,312.44x = 397,765.74 × 180,843.26 - Step 4: Simplify right side
288,312.44x = 71,933,253,137.91 - Step 5: Solve for x
x = 71,933,253,137.91/288,312.44 - Step 6: Final answer
x = 249,497.57
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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.