Finding the Fourth Proportional to 284,446.08, 392,564.88 and 163,591.92
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Solution
The fourth proportional to 284,446.08, 392,564.88 and 163,591.92 is: 225,773.69
Step by Step Solution
- Step 1: Write the proportion equation
284,446.08 : 392,564.88 = 163,591.92 : x - Step 2: Convert to fraction form
284,446.08/392,564.88 = 163,591.92/x - Step 3: Cross multiply
284,446.08x = 392,564.88 × 163,591.92 - Step 4: Simplify right side
284,446.08x = 64,220,442,443.77 - Step 5: Solve for x
x = 64,220,442,443.77/284,446.08 - Step 6: Final answer
x = 225,773.69
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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.