Finding the Fourth Proportional to 165,503.33, 248,060.59 and 76,568.97
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Solution
The fourth proportional to 165,503.33, 248,060.59 and 76,568.97 is: 114,763.52
Step by Step Solution
- Step 1: Write the proportion equation
165,503.33 : 248,060.59 = 76,568.97 : x - Step 2: Convert to fraction form
165,503.33/248,060.59 = 76,568.97/x - Step 3: Cross multiply
165,503.33x = 248,060.59 × 76,568.97 - Step 4: Simplify right side
165,503.33x = 18,993,743,491.05 - Step 5: Solve for x
x = 18,993,743,491.05/165,503.33 - Step 6: Final answer
x = 114,763.52
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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.