Finding the Fourth Proportional to 113,336.96, 156,402.24 and 65,583.68
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Solution
The fourth proportional to 113,336.96, 156,402.24 and 65,583.68 is: 90,503.88
Step by Step Solution
- Step 1: Write the proportion equation
113,336.96 : 156,402.24 = 65,583.68 : x - Step 2: Convert to fraction form
113,336.96/156,402.24 = 65,583.68/x - Step 3: Cross multiply
113,336.96x = 156,402.24 × 65,583.68 - Step 4: Simplify right side
113,336.96x = 10,257,434,459.44 - Step 5: Solve for x
x = 10,257,434,459.44/113,336.96 - Step 6: Final answer
x = 90,503.88
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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.