Finding the Fourth Proportional to 193,273.97, 266,717.81 and 108,390.29
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Solution
The fourth proportional to 193,273.97, 266,717.81 and 108,390.29 is: 149,578.45
Step by Step Solution
- Step 1: Write the proportion equation
193,273.97 : 266,717.81 = 108,390.29 : x - Step 2: Convert to fraction form
193,273.97/266,717.81 = 108,390.29/x - Step 3: Cross multiply
193,273.97x = 266,717.81 × 108,390.29 - Step 4: Simplify right side
193,273.97x = 28,909,619,711.45 - Step 5: Solve for x
x = 28,909,619,711.45/193,273.97 - Step 6: Final answer
x = 149,578.45
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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.