Finding the Fourth Proportional to 202,161.74, 279,072.87 and 130,576.67
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Solution
The fourth proportional to 202,161.74, 279,072.87 and 130,576.67 is: 180,253.72
Step by Step Solution
- Step 1: Write the proportion equation
202,161.74 : 279,072.87 = 130,576.67 : x - Step 2: Convert to fraction form
202,161.74/279,072.87 = 130,576.67/x - Step 3: Cross multiply
202,161.74x = 279,072.87 × 130,576.67 - Step 4: Simplify right side
202,161.74x = 36,440,406,051.94 - Step 5: Solve for x
x = 36,440,406,051.94/202,161.74 - Step 6: Final answer
x = 180,253.72
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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.