Finding the Fourth Proportional to 263,606.70, 395,410.05 and 121,451.70
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Solution
The fourth proportional to 263,606.70, 395,410.05 and 121,451.70 is: 182,177.55
Step by Step Solution
- Step 1: Write the proportion equation
263,606.70 : 395,410.05 = 121,451.70 : x - Step 2: Convert to fraction form
263,606.70/395,410.05 = 121,451.70/x - Step 3: Cross multiply
263,606.70x = 395,410.05 × 121,451.70 - Step 4: Simplify right side
263,606.70x = 48,023,222,769.59 - Step 5: Solve for x
x = 48,023,222,769.59/263,606.70 - Step 6: Final answer
x = 182,177.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.