Finding the Fourth Proportional to 221,670.88, 332,552.99 and 71,899.45
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Solution
The fourth proportional to 221,670.88, 332,552.99 and 71,899.45 is: 107,864.31
Step by Step Solution
- Step 1: Write the proportion equation
221,670.88 : 332,552.99 = 71,899.45 : x - Step 2: Convert to fraction form
221,670.88/332,552.99 = 71,899.45/x - Step 3: Cross multiply
221,670.88x = 332,552.99 × 71,899.45 - Step 4: Simplify right side
221,670.88x = 23,910,376,425.22 - Step 5: Solve for x
x = 23,910,376,425.22/221,670.88 - Step 6: Final answer
x = 107,864.31
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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.