Finding the Fourth Proportional to 647,046.96, 970,535.12 and 197,767.68
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Solution
The fourth proportional to 647,046.96, 970,535.12 and 197,767.68 is: 296,640.72
Step by Step Solution
- Step 1: Write the proportion equation
647,046.96 : 970,535.12 = 197,767.68 : x - Step 2: Convert to fraction form
647,046.96/970,535.12 = 197,767.68/x - Step 3: Cross multiply
647,046.96x = 970,535.12 × 197,767.68 - Step 4: Simplify right side
647,046.96x = 191,940,479,040.92 - Step 5: Solve for x
x = 191,940,479,040.92/647,046.96 - Step 6: Final answer
x = 296,640.72
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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.