Finding the Fourth Proportional to 187,617.61, 258,912.36 and 101,576.58
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Solution
The fourth proportional to 187,617.61, 258,912.36 and 101,576.58 is: 140,175.70
Step by Step Solution
- Step 1: Write the proportion equation
187,617.61 : 258,912.36 = 101,576.58 : x - Step 2: Convert to fraction form
187,617.61/258,912.36 = 101,576.58/x - Step 3: Cross multiply
187,617.61x = 258,912.36 × 101,576.58 - Step 4: Simplify right side
187,617.61x = 26,299,430,246.08 - Step 5: Solve for x
x = 26,299,430,246.08/187,617.61 - Step 6: Final answer
x = 140,175.70
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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.