Finding the Fourth Proportional to 192,971.68, 289,555.92 and 93,216.94
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Solution
The fourth proportional to 192,971.68, 289,555.92 and 93,216.94 is: 139,872.94
Step by Step Solution
- Step 1: Write the proportion equation
192,971.68 : 289,555.92 = 93,216.94 : x - Step 2: Convert to fraction form
192,971.68/289,555.92 = 93,216.94/x - Step 3: Cross multiply
192,971.68x = 289,555.92 × 93,216.94 - Step 4: Simplify right side
192,971.68x = 26,991,516,821.28 - Step 5: Solve for x
x = 26,991,516,821.28/192,971.68 - Step 6: Final answer
x = 139,872.94
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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.