Finding the Fourth Proportional to 113,688.68, 170,532.90 and 30,582.68
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Solution
The fourth proportional to 113,688.68, 170,532.90 and 30,582.68 is: 45,873.99
Step by Step Solution
- Step 1: Write the proportion equation
113,688.68 : 170,532.90 = 30,582.68 : x - Step 2: Convert to fraction form
113,688.68/170,532.90 = 30,582.68/x - Step 3: Cross multiply
113,688.68x = 170,532.90 × 30,582.68 - Step 4: Simplify right side
113,688.68x = 5,215,353,110.17 - Step 5: Solve for x
x = 5,215,353,110.17/113,688.68 - Step 6: Final answer
x = 45,873.99
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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.