Finding the Fourth Proportional to 84,487.10, 126,730.65 and 22,163.90
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Solution
The fourth proportional to 84,487.10, 126,730.65 and 22,163.90 is: 33,245.85
Step by Step Solution
- Step 1: Write the proportion equation
84,487.10 : 126,730.65 = 22,163.90 : x - Step 2: Convert to fraction form
84,487.10/126,730.65 = 22,163.90/x - Step 3: Cross multiply
84,487.10x = 126,730.65 × 22,163.90 - Step 4: Simplify right side
84,487.10x = 2,808,845,453.54 - Step 5: Solve for x
x = 2,808,845,453.54/84,487.10 - Step 6: Final answer
x = 33,245.85
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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.