Finding the Fourth Proportional to 113,203.92, 169,725.36 and 53,198.88
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Solution
The fourth proportional to 113,203.92, 169,725.36 and 53,198.88 is: 79,760.48
Step by Step Solution
- Step 1: Write the proportion equation
113,203.92 : 169,725.36 = 53,198.88 : x - Step 2: Convert to fraction form
113,203.92/169,725.36 = 53,198.88/x - Step 3: Cross multiply
113,203.92x = 169,725.36 × 53,198.88 - Step 4: Simplify right side
113,203.92x = 9,029,199,059.60 - Step 5: Solve for x
x = 9,029,199,059.60/113,203.92 - Step 6: Final answer
x = 79,760.48
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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.