Finding the Fourth Proportional to 187,450.88, 258,682.21 and 102,567.94
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Solution
The fourth proportional to 187,450.88, 258,682.21 and 102,567.94 is: 141,543.75
Step by Step Solution
- Step 1: Write the proportion equation
187,450.88 : 258,682.21 = 102,567.94 : x - Step 2: Convert to fraction form
187,450.88/258,682.21 = 102,567.94/x - Step 3: Cross multiply
187,450.88x = 258,682.21 × 102,567.94 - Step 4: Simplify right side
187,450.88x = 26,532,500,491.22 - Step 5: Solve for x
x = 26,532,500,491.22/187,450.88 - Step 6: Final answer
x = 141,543.75
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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.