Finding the Fourth Proportional to 202,894.92, 279,944.64 and 131,188.68
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Solution
The fourth proportional to 202,894.92, 279,944.64 and 131,188.68 is: 181,007.82
Step by Step Solution
- Step 1: Write the proportion equation
202,894.92 : 279,944.64 = 131,188.68 : x - Step 2: Convert to fraction form
202,894.92/279,944.64 = 131,188.68/x - Step 3: Cross multiply
202,894.92x = 279,944.64 × 131,188.68 - Step 4: Simplify right side
202,894.92x = 36,725,567,794.68 - Step 5: Solve for x
x = 36,725,567,794.68/202,894.92 - Step 6: Final answer
x = 181,007.82
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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.