Finding the Fourth Proportional to 120,309.26, 180,473.60 and 37,203.26
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Solution
The fourth proportional to 120,309.26, 180,473.60 and 37,203.26 is: 55,807.89
Step by Step Solution
- Step 1: Write the proportion equation
120,309.26 : 180,473.60 = 37,203.26 : x - Step 2: Convert to fraction form
120,309.26/180,473.60 = 37,203.26/x - Step 3: Cross multiply
120,309.26x = 180,473.60 × 37,203.26 - Step 4: Simplify right side
120,309.26x = 6,714,206,263.94 - Step 5: Solve for x
x = 6,714,206,263.94/120,309.26 - Step 6: Final answer
x = 55,807.89
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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.