Finding the Fourth Proportional to 187,116.14, 258,217.26 and 102,231.38
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Solution
The fourth proportional to 187,116.14, 258,217.26 and 102,231.38 is: 141,077.66
Step by Step Solution
- Step 1: Write the proportion equation
187,116.14 : 258,217.26 = 102,231.38 : x - Step 2: Convert to fraction form
187,116.14/258,217.26 = 102,231.38/x - Step 3: Cross multiply
187,116.14x = 258,217.26 × 102,231.38 - Step 4: Simplify right side
187,116.14x = 26,397,906,829.62 - Step 5: Solve for x
x = 26,397,906,829.62/187,116.14 - Step 6: Final answer
x = 141,077.66
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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.