Finding the Fourth Proportional to 220,206.75, 303,885.62 and 119,604.75
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Solution
The fourth proportional to 220,206.75, 303,885.62 and 119,604.75 is: 165,054.72
Step by Step Solution
- Step 1: Write the proportion equation
220,206.75 : 303,885.62 = 119,604.75 : x - Step 2: Convert to fraction form
220,206.75/303,885.62 = 119,604.75/x - Step 3: Cross multiply
220,206.75x = 303,885.62 × 119,604.75 - Step 4: Simplify right side
220,206.75x = 36,346,163,608.70 - Step 5: Solve for x
x = 36,346,163,608.70/220,206.75 - Step 6: Final answer
x = 165,054.72
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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.