Finding the Fourth Proportional to 177,580.92, 266,469.80 and 72,391.68
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Solution
The fourth proportional to 177,580.92, 266,469.80 and 72,391.68 is: 108,627.64
Step by Step Solution
- Step 1: Write the proportion equation
177,580.92 : 266,469.80 = 72,391.68 : x - Step 2: Convert to fraction form
177,580.92/266,469.80 = 72,391.68/x - Step 3: Cross multiply
177,580.92x = 266,469.80 × 72,391.68 - Step 4: Simplify right side
177,580.92x = 19,290,196,491.26 - Step 5: Solve for x
x = 19,290,196,491.26/177,580.92 - Step 6: Final answer
x = 108,627.64
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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.