Finding the Fourth Proportional to 208,846.78, 313,219.99 and 96,418.98
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Solution
The fourth proportional to 208,846.78, 313,219.99 and 96,418.98 is: 144,605.31
Step by Step Solution
- Step 1: Write the proportion equation
208,846.78 : 313,219.99 = 96,418.98 : x - Step 2: Convert to fraction form
208,846.78/313,219.99 = 96,418.98/x - Step 3: Cross multiply
208,846.78x = 313,219.99 × 96,418.98 - Step 4: Simplify right side
208,846.78x = 30,200,352,342.94 - Step 5: Solve for x
x = 30,200,352,342.94/208,846.78 - Step 6: Final answer
x = 144,605.31
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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.