Finding the Fourth Proportional to 187,563.73, 258,837.96 and 102,680.79
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Solution
The fourth proportional to 187,563.73, 258,837.96 and 102,680.79 is: 141,699.50
Step by Step Solution
- Step 1: Write the proportion equation
187,563.73 : 258,837.96 = 102,680.79 : x - Step 2: Convert to fraction form
187,563.73/258,837.96 = 102,680.79/x - Step 3: Cross multiply
187,563.73x = 258,837.96 × 102,680.79 - Step 4: Simplify right side
187,563.73x = 26,577,685,490.81 - Step 5: Solve for x
x = 26,577,685,490.81/187,563.73 - Step 6: Final answer
x = 141,699.50
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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.