Finding the Fourth Proportional to 163,380.60, 244,742.94 and 74,511.90
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Solution
The fourth proportional to 163,380.60, 244,742.94 and 74,511.90 is: 111,618.28
Step by Step Solution
- Step 1: Write the proportion equation
163,380.60 : 244,742.94 = 74,511.90 : x - Step 2: Convert to fraction form
163,380.60/244,742.94 = 74,511.90/x - Step 3: Cross multiply
163,380.60x = 244,742.94 × 74,511.90 - Step 4: Simplify right side
163,380.60x = 18,236,261,470.99 - Step 5: Solve for x
x = 18,236,261,470.99/163,380.60 - Step 6: Final answer
x = 111,618.28
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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.