Finding the Fourth Proportional to 266,729.71, 368,220.86 and 206,163.48
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Solution
The fourth proportional to 266,729.71, 368,220.86 and 206,163.48 is: 284,609.07
Step by Step Solution
- Step 1: Write the proportion equation
266,729.71 : 368,220.86 = 206,163.48 : x - Step 2: Convert to fraction form
266,729.71/368,220.86 = 206,163.48/x - Step 3: Cross multiply
266,729.71x = 368,220.86 × 206,163.48 - Step 4: Simplify right side
266,729.71x = 75,913,693,906.19 - Step 5: Solve for x
x = 75,913,693,906.19/266,729.71 - Step 6: Final answer
x = 284,609.07
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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.