Finding the Fourth Proportional to 177,976.26, 266,628.78 and 138,340.80
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Solution
The fourth proportional to 177,976.26, 266,628.78 and 138,340.80 is: 207,250.33
Step by Step Solution
- Step 1: Write the proportion equation
177,976.26 : 266,628.78 = 138,340.80 : x - Step 2: Convert to fraction form
177,976.26/266,628.78 = 138,340.80/x - Step 3: Cross multiply
177,976.26x = 266,628.78 × 138,340.80 - Step 4: Simplify right side
177,976.26x = 36,885,638,728.22 - Step 5: Solve for x
x = 36,885,638,728.22/177,976.26 - Step 6: Final answer
x = 207,250.33
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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.