Finding the Fourth Proportional to 192,484.05, 288,775.23 and 80,126.92
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Solution
The fourth proportional to 192,484.05, 288,775.23 and 80,126.92 is: 120,210.84
Step by Step Solution
- Step 1: Write the proportion equation
192,484.05 : 288,775.23 = 80,126.92 : x - Step 2: Convert to fraction form
192,484.05/288,775.23 = 80,126.92/x - Step 3: Cross multiply
192,484.05x = 288,775.23 × 80,126.92 - Step 4: Simplify right side
192,484.05x = 23,138,669,752.19 - Step 5: Solve for x
x = 23,138,669,752.19/192,484.05 - Step 6: Final answer
x = 120,210.84
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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.