Finding the Fourth Proportional to 323,711.60, 485,571.88 and 124,042.08
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Solution
The fourth proportional to 323,711.60, 485,571.88 and 124,042.08 is: 186,064.84
Step by Step Solution
- Step 1: Write the proportion equation
323,711.60 : 485,571.88 = 124,042.08 : x - Step 2: Convert to fraction form
323,711.60/485,571.88 = 124,042.08/x - Step 3: Cross multiply
323,711.60x = 485,571.88 × 124,042.08 - Step 4: Simplify right side
323,711.60x = 60,231,345,984.71 - Step 5: Solve for x
x = 60,231,345,984.71/323,711.60 - Step 6: Final answer
x = 186,064.84
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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.