Finding the Fourth Proportional to 187,922.88, 281,331.36 and 125,438.40
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Solution
The fourth proportional to 187,922.88, 281,331.36 and 125,438.40 is: 187,788.50
Step by Step Solution
- Step 1: Write the proportion equation
187,922.88 : 281,331.36 = 125,438.40 : x - Step 2: Convert to fraction form
187,922.88/281,331.36 = 125,438.40/x - Step 3: Cross multiply
187,922.88x = 281,331.36 × 125,438.40 - Step 4: Simplify right side
187,922.88x = 35,289,755,668.22 - Step 5: Solve for x
x = 35,289,755,668.22/187,922.88 - Step 6: Final answer
x = 187,788.50
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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.