Finding the Fourth Proportional to 151,069.83, 226,704.57 and 71,130.66
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Solution
The fourth proportional to 151,069.83, 226,704.57 and 71,130.66 is: 106,742.99
Step by Step Solution
- Step 1: Write the proportion equation
151,069.83 : 226,704.57 = 71,130.66 : x - Step 2: Convert to fraction form
151,069.83/226,704.57 = 71,130.66/x - Step 3: Cross multiply
151,069.83x = 226,704.57 × 71,130.66 - Step 4: Simplify right side
151,069.83x = 16,125,645,689.12 - Step 5: Solve for x
x = 16,125,645,689.12/151,069.83 - Step 6: Final answer
x = 106,742.99
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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.