Finding the Fourth Proportional to 151,189.45, 226,835.42 and 66,937.99
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Solution
The fourth proportional to 151,189.45, 226,835.42 and 66,937.99 is: 100,429.67
Step by Step Solution
- Step 1: Write the proportion equation
151,189.45 : 226,835.42 = 66,937.99 : x - Step 2: Convert to fraction form
151,189.45/226,835.42 = 66,937.99/x - Step 3: Cross multiply
151,189.45x = 226,835.42 × 66,937.99 - Step 4: Simplify right side
151,189.45x = 15,183,907,075.61 - Step 5: Solve for x
x = 15,183,907,075.61/151,189.45 - Step 6: Final answer
x = 100,429.67
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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.