Finding the Fourth Proportional to 288,769.92, 433,228.68 and 111,229.26
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Solution
The fourth proportional to 288,769.92, 433,228.68 and 111,229.26 is: 166,872.32
Step by Step Solution
- Step 1: Write the proportion equation
288,769.92 : 433,228.68 = 111,229.26 : x - Step 2: Convert to fraction form
288,769.92/433,228.68 = 111,229.26/x - Step 3: Cross multiply
288,769.92x = 433,228.68 × 111,229.26 - Step 4: Simplify right side
288,769.92x = 48,187,705,487.18 - Step 5: Solve for x
x = 48,187,705,487.18/288,769.92 - Step 6: Final answer
x = 166,872.32
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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.