Finding the Fourth Proportional to 187,536.79, 281,329.91 and 61,132.75
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Solution
The fourth proportional to 187,536.79, 281,329.91 and 61,132.75 is: 91,707.18
Step by Step Solution
- Step 1: Write the proportion equation
187,536.79 : 281,329.91 = 61,132.75 : x - Step 2: Convert to fraction form
187,536.79/281,329.91 = 61,132.75/x - Step 3: Cross multiply
187,536.79x = 281,329.91 × 61,132.75 - Step 4: Simplify right side
187,536.79x = 17,198,469,343.24 - Step 5: Solve for x
x = 17,198,469,343.24/187,536.79 - Step 6: Final answer
x = 91,707.18
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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.