Finding the Fourth Proportional to 162,680.81, 224,341.79 and 126,857.75
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Solution
The fourth proportional to 162,680.81, 224,341.79 and 126,857.75 is: 174,940.69
Step by Step Solution
- Step 1: Write the proportion equation
162,680.81 : 224,341.79 = 126,857.75 : x - Step 2: Convert to fraction form
162,680.81/224,341.79 = 126,857.75/x - Step 3: Cross multiply
162,680.81x = 224,341.79 × 126,857.75 - Step 4: Simplify right side
162,680.81x = 28,459,492,954.37 - Step 5: Solve for x
x = 28,459,492,954.37/162,680.81 - Step 6: Final answer
x = 174,940.69
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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.