Finding the Fourth Proportional to 220,221.18, 303,905.52 and 119,619.18
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Solution
The fourth proportional to 220,221.18, 303,905.52 and 119,619.18 is: 165,074.63
Step by Step Solution
- Step 1: Write the proportion equation
220,221.18 : 303,905.52 = 119,619.18 : x - Step 2: Convert to fraction form
220,221.18/303,905.52 = 119,619.18/x - Step 3: Cross multiply
220,221.18x = 303,905.52 × 119,619.18 - Step 4: Simplify right side
220,221.18x = 36,352,929,099.87 - Step 5: Solve for x
x = 36,352,929,099.87/220,221.18 - Step 6: Final answer
x = 165,074.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.