Finding the Fourth Proportional to 221,805.68, 332,609.70 and 63,996.64
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Solution
The fourth proportional to 221,805.68, 332,609.70 and 63,996.64 is: 95,966.45
Step by Step Solution
- Step 1: Write the proportion equation
221,805.68 : 332,609.70 = 63,996.64 : x - Step 2: Convert to fraction form
221,805.68/332,609.70 = 63,996.64/x - Step 3: Cross multiply
221,805.68x = 332,609.70 × 63,996.64 - Step 4: Simplify right side
221,805.68x = 21,285,903,231.41 - Step 5: Solve for x
x = 21,285,903,231.41/221,805.68 - Step 6: Final answer
x = 95,966.45
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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.