Finding the Fourth Proportional to 513,920.36, 770,825.13 and 134,879.09
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Solution
The fourth proportional to 513,920.36, 770,825.13 and 134,879.09 is: 202,304.09
Step by Step Solution
- Step 1: Write the proportion equation
513,920.36 : 770,825.13 = 134,879.09 : x - Step 2: Convert to fraction form
513,920.36/770,825.13 = 134,879.09/x - Step 3: Cross multiply
513,920.36x = 770,825.13 × 134,879.09 - Step 4: Simplify right side
513,920.36x = 103,968,188,229.41 - Step 5: Solve for x
x = 103,968,188,229.41/513,920.36 - Step 6: Final answer
x = 202,304.09
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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.