Finding the Fourth Proportional to 204,951.47, 307,543.84 and 163,660.91
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Solution
The fourth proportional to 204,951.47, 307,543.84 and 163,660.91 is: 245,584.50
Step by Step Solution
- Step 1: Write the proportion equation
204,951.47 : 307,543.84 = 163,660.91 : x - Step 2: Convert to fraction form
204,951.47/307,543.84 = 163,660.91/x - Step 3: Cross multiply
204,951.47x = 307,543.84 × 163,660.91 - Step 4: Simplify right side
204,951.47x = 50,332,902,772.42 - Step 5: Solve for x
x = 50,332,902,772.42/204,951.47 - Step 6: Final answer
x = 245,584.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.