Finding the Fourth Proportional to 263,664.48, 395,555.49 and 145,274.88
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Solution
The fourth proportional to 263,664.48, 395,555.49 and 145,274.88 is: 217,944.70
Step by Step Solution
- Step 1: Write the proportion equation
263,664.48 : 395,555.49 = 145,274.88 : x - Step 2: Convert to fraction form
263,664.48/395,555.49 = 145,274.88/x - Step 3: Cross multiply
263,664.48x = 395,555.49 × 145,274.88 - Step 4: Simplify right side
263,664.48x = 57,464,276,343.09 - Step 5: Solve for x
x = 57,464,276,343.09/263,664.48 - Step 6: Final answer
x = 217,944.70
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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.