Finding the Fourth Proportional to 187,231.69, 258,378.42 and 102,348.96
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Solution
The fourth proportional to 187,231.69, 258,378.42 and 102,348.96 is: 141,240.85
Step by Step Solution
- Step 1: Write the proportion equation
187,231.69 : 258,378.42 = 102,348.96 : x - Step 2: Convert to fraction form
187,231.69/258,378.42 = 102,348.96/x - Step 3: Cross multiply
187,231.69x = 258,378.42 × 102,348.96 - Step 4: Simplify right side
187,231.69x = 26,444,762,573.44 - Step 5: Solve for x
x = 26,444,762,573.44/187,231.69 - Step 6: Final answer
x = 141,240.85
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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.