Finding the Fourth Proportional to 288,065.12, 397,418.96 and 180,447.84
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Solution
The fourth proportional to 288,065.12, 397,418.96 and 180,447.84 is: 248,948.55
Step by Step Solution
- Step 1: Write the proportion equation
288,065.12 : 397,418.96 = 180,447.84 : x - Step 2: Convert to fraction form
288,065.12/397,418.96 = 180,447.84/x - Step 3: Cross multiply
288,065.12x = 397,418.96 × 180,447.84 - Step 4: Simplify right side
288,065.12x = 71,713,392,907.05 - Step 5: Solve for x
x = 71,713,392,907.05/288,065.12 - Step 6: Final answer
x = 248,948.55
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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.