Finding the Fourth Proportional to 298,274.15, 447,145.97 and 108,698.91
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Solution
The fourth proportional to 298,274.15, 447,145.97 and 108,698.91 is: 162,951.70
Step by Step Solution
- Step 1: Write the proportion equation
298,274.15 : 447,145.97 = 108,698.91 : x - Step 2: Convert to fraction form
298,274.15/447,145.97 = 108,698.91/x - Step 3: Cross multiply
298,274.15x = 447,145.97 × 108,698.91 - Step 4: Simplify right side
298,274.15x = 48,604,280,456.23 - Step 5: Solve for x
x = 48,604,280,456.23/298,274.15 - Step 6: Final answer
x = 162,951.70
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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.