Finding the Fourth Proportional to 139,059.25, 208,519.87 and 44,277.09
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Solution
The fourth proportional to 139,059.25, 208,519.87 and 44,277.09 is: 66,393.65
Step by Step Solution
- Step 1: Write the proportion equation
139,059.25 : 208,519.87 = 44,277.09 : x - Step 2: Convert to fraction form
139,059.25/208,519.87 = 44,277.09/x - Step 3: Cross multiply
139,059.25x = 208,519.87 × 44,277.09 - Step 4: Simplify right side
139,059.25x = 9,232,651,786.79 - Step 5: Solve for x
x = 9,232,651,786.79/139,059.25 - Step 6: Final answer
x = 66,393.65
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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.