Finding the Fourth Proportional to 202,874.24, 279,872.08 and 131,277.36
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Solution
The fourth proportional to 202,874.24, 279,872.08 and 131,277.36 is: 181,101.69
Step by Step Solution
- Step 1: Write the proportion equation
202,874.24 : 279,872.08 = 131,277.36 : x - Step 2: Convert to fraction form
202,874.24/279,872.08 = 131,277.36/x - Step 3: Cross multiply
202,874.24x = 279,872.08 × 131,277.36 - Step 4: Simplify right side
202,874.24x = 36,740,867,800.11 - Step 5: Solve for x
x = 36,740,867,800.11/202,874.24 - Step 6: Final answer
x = 181,101.69
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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.