Finding the Fourth Proportional to 284,498.92, 392,619.80 and 163,640.08
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Solution
The fourth proportional to 284,498.92, 392,619.80 and 163,640.08 is: 225,829.80
Step by Step Solution
- Step 1: Write the proportion equation
284,498.92 : 392,619.80 = 163,640.08 : x - Step 2: Convert to fraction form
284,498.92/392,619.80 = 163,640.08/x - Step 3: Cross multiply
284,498.92x = 392,619.80 × 163,640.08 - Step 4: Simplify right side
284,498.92x = 64,248,335,481.58 - Step 5: Solve for x
x = 64,248,335,481.58/284,498.92 - Step 6: Final answer
x = 225,829.80
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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.