Finding the Fourth Proportional to 351,163.26, 526,543.69 and 107,940.99
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Solution
The fourth proportional to 351,163.26, 526,543.69 and 107,940.99 is: 161,849.64
Step by Step Solution
- Step 1: Write the proportion equation
351,163.26 : 526,543.69 = 107,940.99 : x - Step 2: Convert to fraction form
351,163.26/526,543.69 = 107,940.99/x - Step 3: Cross multiply
351,163.26x = 526,543.69 × 107,940.99 - Step 4: Simplify right side
351,163.26x = 56,835,646,907.00 - Step 5: Solve for x
x = 56,835,646,907.00/351,163.26 - Step 6: Final answer
x = 161,849.64
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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.