Finding the Fourth Proportional to 284,497.92, 392,618.42 and 163,639.08
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Solution
The fourth proportional to 284,497.92, 392,618.42 and 163,639.08 is: 225,828.42
Step by Step Solution
- Step 1: Write the proportion equation
284,497.92 : 392,618.42 = 163,639.08 : x - Step 2: Convert to fraction form
284,497.92/392,618.42 = 163,639.08/x - Step 3: Cross multiply
284,497.92x = 392,618.42 × 163,639.08 - Step 4: Simplify right side
284,497.92x = 64,247,717,039.85 - Step 5: Solve for x
x = 64,247,717,039.85/284,497.92 - Step 6: Final answer
x = 225,828.42
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1.5x scale
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.