Finding the Fourth Proportional to 263,456.74, 395,114.64 and 73,905.81
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Solution
The fourth proportional to 263,456.74, 395,114.64 and 73,905.81 is: 110,838.95
Step by Step Solution
- Step 1: Write the proportion equation
263,456.74 : 395,114.64 = 73,905.81 : x - Step 2: Convert to fraction form
263,456.74/395,114.64 = 73,905.81/x - Step 3: Cross multiply
263,456.74x = 395,114.64 × 73,905.81 - Step 4: Simplify right side
263,456.74x = 29,201,267,512.06 - Step 5: Solve for x
x = 29,201,267,512.06/263,456.74 - Step 6: Final answer
x = 110,838.95
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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.