Finding the Fourth Proportional to 113,481.27, 170,234.26 and 42,437.99
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Solution
The fourth proportional to 113,481.27, 170,234.26 and 42,437.99 is: 63,661.61
Step by Step Solution
- Step 1: Write the proportion equation
113,481.27 : 170,234.26 = 42,437.99 : x - Step 2: Convert to fraction form
113,481.27/170,234.26 = 42,437.99/x - Step 3: Cross multiply
113,481.27x = 170,234.26 × 42,437.99 - Step 4: Simplify right side
113,481.27x = 7,224,400,143.03 - Step 5: Solve for x
x = 7,224,400,143.03/113,481.27 - Step 6: Final answer
x = 63,661.61
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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.