Finding the Fourth Proportional to 221,663.99, 332,554.75 and 79,523.26
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Solution
The fourth proportional to 221,663.99, 332,554.75 and 79,523.26 is: 119,305.97
Step by Step Solution
- Step 1: Write the proportion equation
221,663.99 : 332,554.75 = 79,523.26 : x - Step 2: Convert to fraction form
221,663.99/332,554.75 = 79,523.26/x - Step 3: Cross multiply
221,663.99x = 332,554.75 × 79,523.26 - Step 4: Simplify right side
221,663.99x = 26,445,836,818.29 - Step 5: Solve for x
x = 26,445,836,818.29/221,663.99 - Step 6: Final answer
x = 119,305.97
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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.