Finding the Fourth Proportional to 78,950.41, 118,433.49 and 22,791.88
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Solution
The fourth proportional to 78,950.41, 118,433.49 and 22,791.88 is: 34,190.09
Step by Step Solution
- Step 1: Write the proportion equation
78,950.41 : 118,433.49 = 22,791.88 : x - Step 2: Convert to fraction form
78,950.41/118,433.49 = 22,791.88/x - Step 3: Cross multiply
78,950.41x = 118,433.49 × 22,791.88 - Step 4: Simplify right side
78,950.41x = 2,699,321,892.06 - Step 5: Solve for x
x = 2,699,321,892.06/78,950.41 - Step 6: Final answer
x = 34,190.09
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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.