Finding the Fourth Proportional to 220,193.84, 303,869.05 and 119,591.84
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Solution
The fourth proportional to 220,193.84, 303,869.05 and 119,591.84 is: 165,037.58
Step by Step Solution
- Step 1: Write the proportion equation
220,193.84 : 303,869.05 = 119,591.84 : x - Step 2: Convert to fraction form
220,193.84/303,869.05 = 119,591.84/x - Step 3: Cross multiply
220,193.84x = 303,869.05 × 119,591.84 - Step 4: Simplify right side
220,193.84x = 36,340,258,808.55 - Step 5: Solve for x
x = 36,340,258,808.55/220,193.84 - Step 6: Final answer
x = 165,037.58
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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.