Finding the Fourth Proportional to 236,818.06, 355,367.20 and 87,163.44
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Solution
The fourth proportional to 236,818.06, 355,367.20 and 87,163.44 is: 130,796.73
Step by Step Solution
- Step 1: Write the proportion equation
236,818.06 : 355,367.20 = 87,163.44 : x - Step 2: Convert to fraction form
236,818.06/355,367.20 = 87,163.44/x - Step 3: Cross multiply
236,818.06x = 355,367.20 × 87,163.44 - Step 4: Simplify right side
236,818.06x = 30,975,027,615.17 - Step 5: Solve for x
x = 30,975,027,615.17/236,818.06 - Step 6: Final answer
x = 130,796.73
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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.