Finding the Fourth Proportional to 221,694.20, 332,541.30 and 133,047.80
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Solution
The fourth proportional to 221,694.20, 332,541.30 and 133,047.80 is: 199,571.70
Step by Step Solution
- Step 1: Write the proportion equation
221,694.20 : 332,541.30 = 133,047.80 : x - Step 2: Convert to fraction form
221,694.20/332,541.30 = 133,047.80/x - Step 3: Cross multiply
221,694.20x = 332,541.30 × 133,047.80 - Step 4: Simplify right side
221,694.20x = 44,243,888,374.14 - Step 5: Solve for x
x = 44,243,888,374.14/221,694.20 - Step 6: Final answer
x = 199,571.70
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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.