Finding the Fourth Proportional to 193,046.14, 266,403.49 and 108,163.81
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Solution
The fourth proportional to 193,046.14, 266,403.49 and 108,163.81 is: 149,265.96
Step by Step Solution
- Step 1: Write the proportion equation
193,046.14 : 266,403.49 = 108,163.81 : x - Step 2: Convert to fraction form
193,046.14/266,403.49 = 108,163.81/x - Step 3: Cross multiply
193,046.14x = 266,403.49 × 108,163.81 - Step 4: Simplify right side
193,046.14x = 28,815,216,475.70 - Step 5: Solve for x
x = 28,815,216,475.70/193,046.14 - Step 6: Final answer
x = 149,265.96
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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.