Finding the Fourth Proportional to 187,163.07, 258,255.18 and 106,592.10
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Solution
The fourth proportional to 187,163.07, 258,255.18 and 106,592.10 is: 147,080.09
Step by Step Solution
- Step 1: Write the proportion equation
187,163.07 : 258,255.18 = 106,592.10 : x - Step 2: Convert to fraction form
187,163.07/258,255.18 = 106,592.10/x - Step 3: Cross multiply
187,163.07x = 258,255.18 × 106,592.10 - Step 4: Simplify right side
187,163.07x = 27,527,961,972.08 - Step 5: Solve for x
x = 27,527,961,972.08/187,163.07 - Step 6: Final answer
x = 147,080.09
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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.