Finding the Fourth Proportional to 288,011.62, 397,392.44 and 167,082.84
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Solution
The fourth proportional to 288,011.62, 397,392.44 and 167,082.84 is: 230,537.43
Step by Step Solution
- Step 1: Write the proportion equation
288,011.62 : 397,392.44 = 167,082.84 : x - Step 2: Convert to fraction form
288,011.62/397,392.44 = 167,082.84/x - Step 3: Cross multiply
288,011.62x = 397,392.44 × 167,082.84 - Step 4: Simplify right side
288,011.62x = 66,397,457,469.73 - Step 5: Solve for x
x = 66,397,457,469.73/288,011.62 - Step 6: Final answer
x = 230,537.43
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1.5x scale
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.