Finding the Fourth Proportional to 221,014.26, 305,001.72 and 120,412.26
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Solution
The fourth proportional to 221,014.26, 305,001.72 and 120,412.26 is: 166,170.03
Step by Step Solution
- Step 1: Write the proportion equation
221,014.26 : 305,001.72 = 120,412.26 : x - Step 2: Convert to fraction form
221,014.26/305,001.72 = 120,412.26/x - Step 3: Cross multiply
221,014.26x = 305,001.72 × 120,412.26 - Step 4: Simplify right side
221,014.26x = 36,725,946,409.09 - Step 5: Solve for x
x = 36,725,946,409.09/221,014.26 - Step 6: Final answer
x = 166,170.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.