Finding the Fourth Proportional to 202,234.32, 279,177.84 and 117,336.60
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Solution
The fourth proportional to 202,234.32, 279,177.84 and 117,336.60 is: 161,979.32
Step by Step Solution
- Step 1: Write the proportion equation
202,234.32 : 279,177.84 = 117,336.60 : x - Step 2: Convert to fraction form
202,234.32/279,177.84 = 117,336.60/x - Step 3: Cross multiply
202,234.32x = 279,177.84 × 117,336.60 - Step 4: Simplify right side
202,234.32x = 32,757,778,540.94 - Step 5: Solve for x
x = 32,757,778,540.94/202,234.32 - Step 6: Final answer
x = 161,979.32
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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.