Finding the Fourth Proportional to 139,344.24, 208,939.47 and 44,548.08
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Solution
The fourth proportional to 139,344.24, 208,939.47 and 44,548.08 is: 66,797.54
Step by Step Solution
- Step 1: Write the proportion equation
139,344.24 : 208,939.47 = 44,548.08 : x - Step 2: Convert to fraction form
139,344.24/208,939.47 = 44,548.08/x - Step 3: Cross multiply
139,344.24x = 208,939.47 × 44,548.08 - Step 4: Simplify right side
139,344.24x = 9,307,852,224.72 - Step 5: Solve for x
x = 9,307,852,224.72/139,344.24 - Step 6: Final answer
x = 66,797.54
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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.