Finding the Fourth Proportional to 220,575.24, 331,011.09 and 219,763.62
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Solution
The fourth proportional to 220,575.24, 331,011.09 and 219,763.62 is: 329,793.11
Step by Step Solution
- Step 1: Write the proportion equation
220,575.24 : 331,011.09 = 219,763.62 : x - Step 2: Convert to fraction form
220,575.24/331,011.09 = 219,763.62/x - Step 3: Cross multiply
220,575.24x = 331,011.09 × 219,763.62 - Step 4: Simplify right side
220,575.24x = 72,744,195,398.55 - Step 5: Solve for x
x = 72,744,195,398.55/220,575.24 - Step 6: Final answer
x = 329,793.11
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1.5x scale
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.