Finding the Fourth Proportional to 120,344.08, 180,532.86 and 50,207.26
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Solution
The fourth proportional to 120,344.08, 180,532.86 and 50,207.26 is: 75,317.87
Step by Step Solution
- Step 1: Write the proportion equation
120,344.08 : 180,532.86 = 50,207.26 : x - Step 2: Convert to fraction form
120,344.08/180,532.86 = 50,207.26/x - Step 3: Cross multiply
120,344.08x = 180,532.86 × 50,207.26 - Step 4: Simplify right side
120,344.08x = 9,064,060,240.56 - Step 5: Solve for x
x = 9,064,060,240.56/120,344.08 - Step 6: Final answer
x = 75,317.87
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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.