Finding the Fourth Proportional to 221,670.96, 332,553.21 and 71,899.62
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Solution
The fourth proportional to 221,670.96, 332,553.21 and 71,899.62 is: 107,864.60
Step by Step Solution
- Step 1: Write the proportion equation
221,670.96 : 332,553.21 = 71,899.62 : x - Step 2: Convert to fraction form
221,670.96/332,553.21 = 71,899.62/x - Step 3: Cross multiply
221,670.96x = 332,553.21 × 71,899.62 - Step 4: Simplify right side
221,670.96x = 23,910,450,541.04 - Step 5: Solve for x
x = 23,910,450,541.04/221,670.96 - Step 6: Final answer
x = 107,864.60
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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.