Finding the Fourth Proportional to 208,828.97, 313,173.26 and 75,681.35
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Solution
The fourth proportional to 208,828.97, 313,173.26 and 75,681.35 is: 113,496.59
Step by Step Solution
- Step 1: Write the proportion equation
208,828.97 : 313,173.26 = 75,681.35 : x - Step 2: Convert to fraction form
208,828.97/313,173.26 = 75,681.35/x - Step 3: Cross multiply
208,828.97x = 313,173.26 × 75,681.35 - Step 4: Simplify right side
208,828.97x = 23,701,375,505.23 - Step 5: Solve for x
x = 23,701,375,505.23/208,828.97 - Step 6: Final answer
x = 113,496.59
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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.