Finding the Fourth Proportional to 113,816.80, 159,576.80 and 113,816.80
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Solution
The fourth proportional to 113,816.80, 159,576.80 and 113,816.80 is: 159,576.80
Step by Step Solution
- Step 1: Write the proportion equation
113,816.80 : 159,576.80 = 113,816.80 : x - Step 2: Convert to fraction form
113,816.80/159,576.80 = 113,816.80/x - Step 3: Cross multiply
113,816.80x = 159,576.80 × 113,816.80 - Step 4: Simplify right side
113,816.80x = 18,162,520,730.24 - Step 5: Solve for x
x = 18,162,520,730.24/113,816.80 - Step 6: Final answer
x = 159,576.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.