Finding the Fourth Proportional to 113,596.96, 170,471.28 and 39,724.96
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Solution
The fourth proportional to 113,596.96, 170,471.28 and 39,724.96 is: 59,613.96
Step by Step Solution
- Step 1: Write the proportion equation
113,596.96 : 170,471.28 = 39,724.96 : x - Step 2: Convert to fraction form
113,596.96/170,471.28 = 39,724.96/x - Step 3: Cross multiply
113,596.96x = 170,471.28 × 39,724.96 - Step 4: Simplify right side
113,596.96x = 6,771,964,779.15 - Step 5: Solve for x
x = 6,771,964,779.15/113,596.96 - Step 6: Final answer
x = 59,613.96
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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.