Finding the Fourth Proportional to 113,532.68, 156,682.26 and 63,231.56
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Solution
The fourth proportional to 113,532.68, 156,682.26 and 63,231.56 is: 87,263.54
Step by Step Solution
- Step 1: Write the proportion equation
113,532.68 : 156,682.26 = 63,231.56 : x - Step 2: Convert to fraction form
113,532.68/156,682.26 = 63,231.56/x - Step 3: Cross multiply
113,532.68x = 156,682.26 × 63,231.56 - Step 4: Simplify right side
113,532.68x = 9,907,263,724.13 - Step 5: Solve for x
x = 9,907,263,724.13/113,532.68 - Step 6: Final answer
x = 87,263.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.