Finding the Fourth Proportional to 288,965.80, 433,448.70 and 271,469.80
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Solution
The fourth proportional to 288,965.80, 433,448.70 and 271,469.80 is: 407,204.70
Step by Step Solution
- Step 1: Write the proportion equation
288,965.80 : 433,448.70 = 271,469.80 : x - Step 2: Convert to fraction form
288,965.80/433,448.70 = 271,469.80/x - Step 3: Cross multiply
288,965.80x = 433,448.70 × 271,469.80 - Step 4: Simplify right side
288,965.80x = 117,668,231,899.26 - Step 5: Solve for x
x = 117,668,231,899.26/288,965.80 - Step 6: Final answer
x = 407,204.70
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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.