Finding the Fourth Proportional to 396,438.68, 594,662.88 and 115,961.60
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Solution
The fourth proportional to 396,438.68, 594,662.88 and 115,961.60 is: 173,943.82
Step by Step Solution
- Step 1: Write the proportion equation
396,438.68 : 594,662.88 = 115,961.60 : x - Step 2: Convert to fraction form
396,438.68/594,662.88 = 115,961.60/x - Step 3: Cross multiply
396,438.68x = 594,662.88 × 115,961.60 - Step 4: Simplify right side
396,438.68x = 68,958,059,025.41 - Step 5: Solve for x
x = 68,958,059,025.41/396,438.68 - Step 6: Final answer
x = 173,943.82
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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.