Finding the Fourth Proportional to 120,307.26, 180,470.60 and 37,201.26
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Solution
The fourth proportional to 120,307.26, 180,470.60 and 37,201.26 is: 55,804.89
Step by Step Solution
- Step 1: Write the proportion equation
120,307.26 : 180,470.60 = 37,201.26 : x - Step 2: Convert to fraction form
120,307.26/180,470.60 = 37,201.26/x - Step 3: Cross multiply
120,307.26x = 180,470.60 × 37,201.26 - Step 4: Simplify right side
120,307.26x = 6,713,733,712.96 - Step 5: Solve for x
x = 6,713,733,712.96/120,307.26 - Step 6: Final answer
x = 55,804.89
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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.