Finding the Fourth Proportional to 113,641.24, 170,464.26 and 29,403.20
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Solution
The fourth proportional to 113,641.24, 170,464.26 and 29,403.20 is: 44,105.42
Step by Step Solution
- Step 1: Write the proportion equation
113,641.24 : 170,464.26 = 29,403.20 : x - Step 2: Convert to fraction form
113,641.24/170,464.26 = 29,403.20/x - Step 3: Cross multiply
113,641.24x = 170,464.26 × 29,403.20 - Step 4: Simplify right side
113,641.24x = 5,012,194,729.63 - Step 5: Solve for x
x = 5,012,194,729.63/113,641.24 - Step 6: Final answer
x = 44,105.42
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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.