Finding the Fourth Proportional to 187,469.87, 258,708.44 and 102,586.94
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Solution
The fourth proportional to 187,469.87, 258,708.44 and 102,586.94 is: 141,569.99
Step by Step Solution
- Step 1: Write the proportion equation
187,469.87 : 258,708.44 = 102,586.94 : x - Step 2: Convert to fraction form
187,469.87/258,708.44 = 102,586.94/x - Step 3: Cross multiply
187,469.87x = 258,708.44 × 102,586.94 - Step 4: Simplify right side
187,469.87x = 26,540,107,211.77 - Step 5: Solve for x
x = 26,540,107,211.77/187,469.87 - Step 6: Final answer
x = 141,569.99
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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.