Finding the Fourth Proportional to 252,908.64, 349,027.92 and 139,728.96
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Solution
The fourth proportional to 252,908.64, 349,027.92 and 139,728.96 is: 192,833.70
Step by Step Solution
- Step 1: Write the proportion equation
252,908.64 : 349,027.92 = 139,728.96 : x - Step 2: Convert to fraction form
252,908.64/349,027.92 = 139,728.96/x - Step 3: Cross multiply
252,908.64x = 349,027.92 × 139,728.96 - Step 4: Simplify right side
252,908.64x = 48,769,308,272.56 - Step 5: Solve for x
x = 48,769,308,272.56/252,908.64 - Step 6: Final answer
x = 192,833.70
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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.