Finding the Fourth Proportional to 288,571.04, 433,011.30 and 120,207.68
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Solution
The fourth proportional to 288,571.04, 433,011.30 and 120,207.68 is: 180,375.98
Step by Step Solution
- Step 1: Write the proportion equation
288,571.04 : 433,011.30 = 120,207.68 : x - Step 2: Convert to fraction form
288,571.04/433,011.30 = 120,207.68/x - Step 3: Cross multiply
288,571.04x = 433,011.30 × 120,207.68 - Step 4: Simplify right side
288,571.04x = 52,051,283,786.78 - Step 5: Solve for x
x = 52,051,283,786.78/288,571.04 - Step 6: Final answer
x = 180,375.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.