Finding the Fourth Proportional to 157,354.38, 236,075.37 and 68,615.70
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Solution
The fourth proportional to 157,354.38, 236,075.37 and 68,615.70 is: 102,942.65
Step by Step Solution
- Step 1: Write the proportion equation
157,354.38 : 236,075.37 = 68,615.70 : x - Step 2: Convert to fraction form
157,354.38/236,075.37 = 68,615.70/x - Step 3: Cross multiply
157,354.38x = 236,075.37 × 68,615.70 - Step 4: Simplify right side
157,354.38x = 16,198,476,765.31 - Step 5: Solve for x
x = 16,198,476,765.31/157,354.38 - Step 6: Final answer
x = 102,942.65
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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.