Finding the Fourth Proportional to 163,738.48, 245,282.64 and 126,168.26
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Solution
The fourth proportional to 163,738.48, 245,282.64 and 126,168.26 is: 189,001.90
Step by Step Solution
- Step 1: Write the proportion equation
163,738.48 : 245,282.64 = 126,168.26 : x - Step 2: Convert to fraction form
163,738.48/245,282.64 = 126,168.26/x - Step 3: Cross multiply
163,738.48x = 245,282.64 × 126,168.26 - Step 4: Simplify right side
163,738.48x = 30,946,883,897.01 - Step 5: Solve for x
x = 30,946,883,897.01/163,738.48 - Step 6: Final answer
x = 189,001.90
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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.