Finding the Fourth Proportional to 106,821.92, 160,232.68 and 40,276.98
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Solution
The fourth proportional to 106,821.92, 160,232.68 and 40,276.98 is: 60,415.39
Step by Step Solution
- Step 1: Write the proportion equation
106,821.92 : 160,232.68 = 40,276.98 : x - Step 2: Convert to fraction form
106,821.92/160,232.68 = 40,276.98/x - Step 3: Cross multiply
106,821.92x = 160,232.68 × 40,276.98 - Step 4: Simplify right side
106,821.92x = 6,453,688,447.71 - Step 5: Solve for x
x = 6,453,688,447.71/106,821.92 - Step 6: Final answer
x = 60,415.39
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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.