Finding the Fourth Proportional to 277,405.92, 383,212.08 and 220,744.80
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Solution
The fourth proportional to 277,405.92, 383,212.08 and 220,744.80 is: 304,939.69
Step by Step Solution
- Step 1: Write the proportion equation
277,405.92 : 383,212.08 = 220,744.80 : x - Step 2: Convert to fraction form
277,405.92/383,212.08 = 220,744.80/x - Step 3: Cross multiply
277,405.92x = 383,212.08 × 220,744.80 - Step 4: Simplify right side
277,405.92x = 84,592,073,957.18 - Step 5: Solve for x
x = 84,592,073,957.18/277,405.92 - Step 6: Final answer
x = 304,939.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.