Finding the Fourth Proportional to 277,174.20, 415,955.70 and 177,576.60
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Solution
The fourth proportional to 277,174.20, 415,955.70 and 177,576.60 is: 266,489.45
Step by Step Solution
- Step 1: Write the proportion equation
277,174.20 : 415,955.70 = 177,576.60 : x - Step 2: Convert to fraction form
277,174.20/415,955.70 = 177,576.60/x - Step 3: Cross multiply
277,174.20x = 415,955.70 × 177,576.60 - Step 4: Simplify right side
277,174.20x = 73,863,998,956.62 - Step 5: Solve for x
x = 73,863,998,956.62/277,174.20 - Step 6: Final answer
x = 266,489.45
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1.5x scale
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.