Finding the Fourth Proportional to 177,785.26, 266,678.15 and 72,604.23
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Solution
The fourth proportional to 177,785.26, 266,678.15 and 72,604.23 is: 108,906.45
Step by Step Solution
- Step 1: Write the proportion equation
177,785.26 : 266,678.15 = 72,604.23 : x - Step 2: Convert to fraction form
177,785.26/266,678.15 = 72,604.23/x - Step 3: Cross multiply
177,785.26x = 266,678.15 × 72,604.23 - Step 4: Simplify right side
177,785.26x = 19,361,961,738.57 - Step 5: Solve for x
x = 19,361,961,738.57/177,785.26 - Step 6: Final answer
x = 108,906.45
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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.