Finding the Fourth Proportional to 187,231.21, 258,379.07 and 102,348.26
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Solution
The fourth proportional to 187,231.21, 258,379.07 and 102,348.26 is: 141,240.60
Step by Step Solution
- Step 1: Write the proportion equation
187,231.21 : 258,379.07 = 102,348.26 : x - Step 2: Convert to fraction form
187,231.21/258,379.07 = 102,348.26/x - Step 3: Cross multiply
187,231.21x = 258,379.07 × 102,348.26 - Step 4: Simplify right side
187,231.21x = 26,444,648,234.92 - Step 5: Solve for x
x = 26,444,648,234.92/187,231.21 - Step 6: Final answer
x = 141,240.60
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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.