Finding the Fourth Proportional to 220,581.24, 331,020.10 and 219,769.62
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Solution
The fourth proportional to 220,581.24, 331,020.10 and 219,769.62 is: 329,802.12
Step by Step Solution
- Step 1: Write the proportion equation
220,581.24 : 331,020.10 = 219,769.62 : x - Step 2: Convert to fraction form
220,581.24/331,020.10 = 219,769.62/x - Step 3: Cross multiply
220,581.24x = 331,020.10 × 219,769.62 - Step 4: Simplify right side
220,581.24x = 72,748,161,589.36 - Step 5: Solve for x
x = 72,748,161,589.36/220,581.24 - Step 6: Final answer
x = 329,802.12
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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.