Finding the Fourth Proportional to 396,701.20, 595,440.60 and 197,246.80
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Solution
The fourth proportional to 396,701.20, 595,440.60 and 197,246.80 is: 296,063.52
Step by Step Solution
- Step 1: Write the proportion equation
396,701.20 : 595,440.60 = 197,246.80 : x - Step 2: Convert to fraction form
396,701.20/595,440.60 = 197,246.80/x - Step 3: Cross multiply
396,701.20x = 595,440.60 × 197,246.80 - Step 4: Simplify right side
396,701.20x = 117,448,752,940.08 - Step 5: Solve for x
x = 117,448,752,940.08/396,701.20 - Step 6: Final answer
x = 296,063.52
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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.