Finding the Fourth Proportional to 284,494.92, 392,614.28 and 163,636.08
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Solution
The fourth proportional to 284,494.92, 392,614.28 and 163,636.08 is: 225,824.28
Step by Step Solution
- Step 1: Write the proportion equation
284,494.92 : 392,614.28 = 163,636.08 : x - Step 2: Convert to fraction form
284,494.92/392,614.28 = 163,636.08/x - Step 3: Cross multiply
284,494.92x = 392,614.28 × 163,636.08 - Step 4: Simplify right side
284,494.92x = 64,245,861,731.22 - Step 5: Solve for x
x = 64,245,861,731.22/284,494.92 - Step 6: Final answer
x = 225,824.28
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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.