Finding the Fourth Proportional to 81,516.26, 122,271.50 and 22,350.98
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Solution
The fourth proportional to 81,516.26, 122,271.50 and 22,350.98 is: 33,525.68
Step by Step Solution
- Step 1: Write the proportion equation
81,516.26 : 122,271.50 = 22,350.98 : x - Step 2: Convert to fraction form
81,516.26/122,271.50 = 22,350.98/x - Step 3: Cross multiply
81,516.26x = 122,271.50 × 22,350.98 - Step 4: Simplify right side
81,516.26x = 2,732,887,851.07 - Step 5: Solve for x
x = 2,732,887,851.07/81,516.26 - Step 6: Final answer
x = 33,525.68
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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.