Finding the Fourth Proportional to 187,406.43, 258,626.96 and 102,523.49
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Solution
The fourth proportional to 187,406.43, 258,626.96 and 102,523.49 is: 141,485.75
Step by Step Solution
- Step 1: Write the proportion equation
187,406.43 : 258,626.96 = 102,523.49 : x - Step 2: Convert to fraction form
187,406.43/258,626.96 = 102,523.49/x - Step 3: Cross multiply
187,406.43x = 258,626.96 × 102,523.49 - Step 4: Simplify right side
187,406.43x = 26,515,338,095.85 - Step 5: Solve for x
x = 26,515,338,095.85/187,406.43 - Step 6: Final answer
x = 141,485.75
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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.