Finding the Fourth Proportional to 187,220.36, 258,577.14 and 125,859.98
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Solution
The fourth proportional to 187,220.36, 258,577.14 and 125,859.98 is: 173,829.98
Step by Step Solution
- Step 1: Write the proportion equation
187,220.36 : 258,577.14 = 125,859.98 : x - Step 2: Convert to fraction form
187,220.36/258,577.14 = 125,859.98/x - Step 3: Cross multiply
187,220.36x = 258,577.14 × 125,859.98 - Step 4: Simplify right side
187,220.36x = 32,544,512,375.97 - Step 5: Solve for x
x = 32,544,512,375.97/187,220.36 - Step 6: Final answer
x = 173,829.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.