Finding the Fourth Proportional to 396,531.92, 594,486.84 and 196,711.76
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Solution
The fourth proportional to 396,531.92, 594,486.84 and 196,711.76 is: 294,913.34
Step by Step Solution
- Step 1: Write the proportion equation
396,531.92 : 594,486.84 = 196,711.76 : x - Step 2: Convert to fraction form
396,531.92/594,486.84 = 196,711.76/x - Step 3: Cross multiply
396,531.92x = 594,486.84 × 196,711.76 - Step 4: Simplify right side
396,531.92x = 116,942,552,593.24 - Step 5: Solve for x
x = 116,942,552,593.24/396,531.92 - Step 6: Final answer
x = 294,913.34
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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.