Finding the Fourth Proportional to 202,161.15, 279,072.08 and 130,576.09
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Solution
The fourth proportional to 202,161.15, 279,072.08 and 130,576.09 is: 180,252.94
Step by Step Solution
- Step 1: Write the proportion equation
202,161.15 : 279,072.08 = 130,576.09 : x - Step 2: Convert to fraction form
202,161.15/279,072.08 = 130,576.09/x - Step 3: Cross multiply
202,161.15x = 279,072.08 × 130,576.09 - Step 4: Simplify right side
202,161.15x = 36,440,141,034.57 - Step 5: Solve for x
x = 36,440,141,034.57/202,161.15 - Step 6: Final answer
x = 180,252.94
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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.