Finding the Fourth Proportional to 199,367.68, 275,134.29 and 113,330.26
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Solution
The fourth proportional to 199,367.68, 275,134.29 and 113,330.26 is: 156,399.69
Step by Step Solution
- Step 1: Write the proportion equation
199,367.68 : 275,134.29 = 113,330.26 : x - Step 2: Convert to fraction form
199,367.68/275,134.29 = 113,330.26/x - Step 3: Cross multiply
199,367.68x = 275,134.29 × 113,330.26 - Step 4: Simplify right side
199,367.68x = 31,181,042,269.58 - Step 5: Solve for x
x = 31,181,042,269.58/199,367.68 - Step 6: Final answer
x = 156,399.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.